diff --git a/email2pdf b/email2pdf
index 59f92da..6767460 100755
--- a/email2pdf
+++ b/email2pdf
@@ -54,7 +54,8 @@ WKHTMLTOPDF_ERRORS_IGNORE = frozenset([r'QFont::setPixelSize: Pixel size <= 0 \(
                                        r'libpng warning: Out of place sRGB chunk',
                                        r'Exit with code 1 due to network error: ContentNotFoundError',
                                        r'Exit with code 1 due to network error: ProtocolUnknownError',
-                                       r'Exit with code 1 due to network error: UnknownContentError'])
+                                       r'Exit with code 1 due to network error: UnknownContentError',
+                                       r'libpng warning: iCCP: known incorrect sRGB profile'])
 
 WKHTMLTOPDF_EXTERNAL_COMMAND = 'wkhtmltopdf'