diff --git a/plugins/fast_float/src/fast_16_tethra.c b/plugins/fast_float/src/fast_16_tethra.c
index b08015ba..f70d3f47 100644
--- a/plugins/fast_float/src/fast_16_tethra.c
+++ b/plugins/fast_float/src/fast_16_tethra.c
@@ -112,7 +112,8 @@ void PerformanceEval16(struct _cmstransform_struct *CMMcargo,
 
        int    in16, out16;  // Used by macros!
 
-       size_t nalpha, strideIn, strideOut;
+       cmsUInt32Number nalpha;
+       size_t strideIn, strideOut;
           
        cmsUInt32Number dwInFormat = cmsGetTransformInputFormat((cmsHTRANSFORM)CMMcargo);
        cmsUInt32Number dwOutFormat = cmsGetTransformOutputFormat((cmsHTRANSFORM)CMMcargo);
diff --git a/plugins/fast_float/src/fast_8_curves.c b/plugins/fast_float/src/fast_8_curves.c
index e5b0f225..b01f944f 100644
--- a/plugins/fast_float/src/fast_8_curves.c
+++ b/plugins/fast_float/src/fast_8_curves.c
@@ -56,7 +56,8 @@ static void FastEvaluateRGBCurves8(struct _cmstransform_struct *CMMcargo,
        cmsUInt8Number* bout;
        cmsUInt8Number* aout = NULL;
 
-       cmsUInt32Number nalpha, strideIn, strideOut;
+       cmsUInt32Number nalpha;
+       size_t strideIn, strideOut;
 
        Curves8Data* Data = (Curves8Data*)_cmsGetTransformUserData(CMMcargo);
 
@@ -135,7 +136,8 @@ static void FastRGBIdentity8(struct _cmstransform_struct *CMMcargo,
        cmsUInt8Number* bout;
        cmsUInt8Number* aout = NULL;
 
-       cmsUInt32Number nalpha, strideIn, strideOut;
+       cmsUInt32Number nalpha;
+       size_t strideIn, strideOut;
     
        _cmsComputeComponentIncrements(cmsGetTransformInputFormat((cmsHTRANSFORM)CMMcargo), Stride->BytesPerPlaneIn, NULL, &nalpha, SourceStartingOrder, SourceIncrements);
        _cmsComputeComponentIncrements(cmsGetTransformOutputFormat((cmsHTRANSFORM)CMMcargo), Stride->BytesPerPlaneOut, NULL, &nalpha, DestStartingOrder, DestIncrements);
@@ -209,7 +211,8 @@ static void FastEvaluateGrayCurves8(struct _cmstransform_struct *CMMcargo,
        cmsUInt8Number* gout;
        cmsUInt8Number* aout = NULL;
 
-       size_t nalpha, strideIn, strideOut;
+       cmsUInt32Number nalpha;
+       size_t strideIn, strideOut;
 
        Curves8Data* Data = (Curves8Data*)_cmsGetTransformUserData(CMMcargo);
 
@@ -274,7 +277,8 @@ static void FastGrayIdentity8(struct _cmstransform_struct *CMMcargo,
        cmsUInt8Number* gout;
        cmsUInt8Number* aout = NULL;
 
-       cmsUInt32Number nalpha, strideIn, strideOut;
+       cmsUInt32Number nalpha;
+       size_t strideIn, strideOut;
        
        _cmsComputeComponentIncrements(cmsGetTransformInputFormat((cmsHTRANSFORM)CMMcargo), Stride->BytesPerPlaneIn, NULL, &nalpha, SourceStartingOrder, SourceIncrements);
        _cmsComputeComponentIncrements(cmsGetTransformOutputFormat((cmsHTRANSFORM)CMMcargo), Stride->BytesPerPlaneOut, NULL, &nalpha, DestStartingOrder, DestIncrements);
diff --git a/plugins/fast_float/src/fast_8_matsh.c b/plugins/fast_float/src/fast_8_matsh.c
index b633b838..4cf72c4d 100644
--- a/plugins/fast_float/src/fast_8_matsh.c
+++ b/plugins/fast_float/src/fast_8_matsh.c
@@ -194,7 +194,8 @@ void MatShaperXform8(struct _cmstransform_struct *CMMcargo,
     cmsUInt8Number* bout;
     cmsUInt8Number* aout = NULL;
 
-    size_t nalpha, strideIn, strideOut;
+    cmsUInt32Number nalpha;
+    size_t strideIn, strideOut;
  
     _cmsComputeComponentIncrements(cmsGetTransformInputFormat((cmsHTRANSFORM)CMMcargo), Stride->BytesPerPlaneIn, NULL, &nalpha, SourceStartingOrder, SourceIncrements);
     _cmsComputeComponentIncrements(cmsGetTransformOutputFormat((cmsHTRANSFORM)CMMcargo), Stride->BytesPerPlaneOut, NULL, &nalpha, DestStartingOrder, DestIncrements);
diff --git a/plugins/fast_float/src/fast_8_matsh_sse.c b/plugins/fast_float/src/fast_8_matsh_sse.c
index 5d570bb7..5975d30e 100644
--- a/plugins/fast_float/src/fast_8_matsh_sse.c
+++ b/plugins/fast_float/src/fast_8_matsh_sse.c
@@ -197,7 +197,8 @@ void MatShaperXform8SSE(struct _cmstransform_struct *CMMcargo,
     cmsUInt8Number* bout;
     cmsUInt8Number* aout = NULL;
 
-    size_t nalpha, strideIn, strideOut;
+    cmsUInt32Number nalpha;
+    size_t strideIn, strideOut;
  
  
     __m128 mat0 = _mm_load_ps(p->Mat[0]);
diff --git a/plugins/fast_float/src/fast_8_tethra.c b/plugins/fast_float/src/fast_8_tethra.c
index fa0ce296..cda4d411 100644
--- a/plugins/fast_float/src/fast_8_tethra.c
+++ b/plugins/fast_float/src/fast_8_tethra.c
@@ -146,7 +146,8 @@ void PerformanceEval8(struct _cmstransform_struct *CMMcargo,
     const cmsUInt8Number* bin;
     const cmsUInt8Number* ain = NULL;
 
-    size_t nalpha, strideIn, strideOut;
+    cmsUInt32Number nalpha;
+    size_t strideIn, strideOut;
 
     _cmsComputeComponentIncrements(cmsGetTransformInputFormat((cmsHTRANSFORM)CMMcargo), Stride->BytesPerPlaneIn, NULL, &nalpha, SourceStartingOrder, SourceIncrements);
     _cmsComputeComponentIncrements(cmsGetTransformOutputFormat((cmsHTRANSFORM)CMMcargo), Stride->BytesPerPlaneOut, NULL, &nalpha, DestStartingOrder, DestIncrements);
diff --git a/plugins/fast_float/src/fast_float_15mats.c b/plugins/fast_float/src/fast_float_15mats.c
index a265bba4..fd2a5982 100644
--- a/plugins/fast_float/src/fast_float_15mats.c
+++ b/plugins/fast_float/src/fast_float_15mats.c
@@ -181,7 +181,8 @@ void MatShaperXform(struct _cmstransform_struct *CMMcargo,
        cmsUInt8Number* bout;
        cmsUInt8Number* aout = NULL;
 
-       size_t nalpha, strideIn, strideOut;
+       cmsUInt32Number nalpha;
+       size_t strideIn, strideOut;
 
        _cmsComputeComponentIncrements(cmsGetTransformInputFormat((cmsHTRANSFORM)CMMcargo), Stride->BytesPerPlaneIn, NULL, &nalpha, SourceStartingOrder, SourceIncrements);
        _cmsComputeComponentIncrements(cmsGetTransformOutputFormat((cmsHTRANSFORM)CMMcargo), Stride->BytesPerPlaneOut, NULL, &nalpha, DestStartingOrder, DestIncrements);
diff --git a/plugins/fast_float/src/fast_float_curves.c b/plugins/fast_float/src/fast_float_curves.c
index b4ecc8e8..cdb3bc97 100644
--- a/plugins/fast_float/src/fast_float_curves.c
+++ b/plugins/fast_float/src/fast_float_curves.c
@@ -166,7 +166,7 @@ static void FastFloatRGBIdentity(struct _cmstransform_struct *CMMcargo,
     cmsUInt32Number OutputFormat = cmsGetTransformOutputFormat((cmsHTRANSFORM) CMMcargo);
   
     cmsUInt32Number nchans, nalpha;
-    cmsUInt32Number strideIn, strideOut;
+    size_t strideIn, strideOut;
 
     _cmsComputeComponentIncrements(InputFormat,  Stride->BytesPerPlaneIn,  &nchans, &nalpha, SourceStartingOrder, SourceIncrements);
     _cmsComputeComponentIncrements(OutputFormat, Stride->BytesPerPlaneOut, &nchans, &nalpha, DestStartingOrder, DestIncrements);
@@ -245,7 +245,7 @@ static void FastEvaluateFloatGrayCurves(struct _cmstransform_struct* CMMcargo,
     CurvesFloatData* Data = (CurvesFloatData*)_cmsGetTransformUserData(CMMcargo);
 
     cmsUInt32Number nchans, nalpha;
-    cmsUInt32Number strideIn, strideOut;
+    size_t strideIn, strideOut;
 
     _cmsComputeComponentIncrements(InputFormat, Stride->BytesPerPlaneIn, &nchans, &nalpha, SourceStartingOrder, SourceIncrements);
     _cmsComputeComponentIncrements(OutputFormat, Stride->BytesPerPlaneIn, &nchans, &nalpha, DestStartingOrder, DestIncrements);
@@ -308,7 +308,7 @@ static void FastFloatGrayIdentity(struct _cmstransform_struct* CMMcargo,
     cmsUInt32Number OutputFormat = cmsGetTransformOutputFormat((cmsHTRANSFORM)CMMcargo);
 
     cmsUInt32Number nchans, nalpha;
-    cmsUInt32Number strideIn, strideOut;
+    size_t strideIn, strideOut;
 
     _cmsComputeComponentIncrements(InputFormat, Stride->BytesPerPlaneIn, &nchans, &nalpha, SourceStartingOrder, SourceIncrements);
     _cmsComputeComponentIncrements(OutputFormat, Stride->BytesPerPlaneOut, &nchans, &nalpha, DestStartingOrder, DestIncrements);