diff --git a/PatientScannerDemo/ViewController.swift b/PatientScannerDemo/ViewController.swift
index 8d99795..b987a5f 100644
--- a/PatientScannerDemo/ViewController.swift
+++ b/PatientScannerDemo/ViewController.swift
@@ -128,10 +128,10 @@ extension ViewController {
   }
 
   func observationHandler(payloadS: String?) {
-    let payloadS: String? = "HC1NCFOXNEG2NBJ5*H:QO-.O /MD064 PJ26UV0 XHLQ9HXKZNEQCSJ591MVBATW$4 S8$96NF6OR5UVBJUB4PJU47326/Z7PCL394Z/MWP4 N66ED6JC:JEG.CZJC0:C6JK:JM$JLAINN6BLHM035L8CCECS.CYMCPOJ5OI9YI:8DRFC%PD*ZLJ9CWVBREJFZM4A7Z/M*+Q.28+VQXCRAHAF27I9QQ60E2KYIJPOJI7J/VJ0 JYSJEZIK7B*IJS7BCLIOCISEBTKBRHSWKJ4:2POJ.GILYJ7GPSVBY4CJZIOMI$MI1VC3TCYR6HCRF46Q96W/6-DP+%PPMC1KJG%HJ*81.7 84-W6I RO5PH6UDUH+/F9PJCQFRVV 8UDJ5QEV2Y8%635OHH0E2:E5VUJZ4 VT3+6ZU598O:E0/ 0VP2IBO6ANG%6UD5RSRO4B6$ES40H/CQ1"
+    let payloadS: String? = "HC1:NCFOXNEG2NBJ5*H:QO-.O /MD064 PJ26UV0 XHLQ9HXKZNEQCSJ591MVBATW$4 S8$96NF6OR5UVBJUB4PJU47326/Z7PCL394Z/MWP4 N66ED6JC:JEG.CZJC0:C6JK:JM$JLAINN6BLHM035L8CCECS.CYMCPOJ5OI9YI:8DRFC%PD*ZLJ9CWVBREJFZM4A7Z/M*+Q.28+VQXCRAHAF27I9QQ60E2KYIJPOJI7J/VJ0 JYSJEZIK7B*IJS7BCLIOCISEBTKBRHSWKJ4:2POJ.GILYJ7GPSVBY4CJZIOMI$MI1VC3TCYR6HCRF46Q96W/6-DP+%PPMC1KJG%HJ*81.7 84-W6I RO5PH6UDUH+/F9PJCQFRVV 8UDJ5QEV2Y8%635OHH0E2:E5VUJZ4 VT3+6ZU598O:E0/ 0VP2IBO6ANG%6UD5RSRO4B6$ES40H/CQ1"
     guard
       let payloadString = payloadS,
-      let compressed = try? String(payloadString.dropFirst(3)).fromBase45()
+      let compressed = try? String(payloadString.dropFirst(4)).fromBase45()
     else { return }
 
     let data = decompress(compressed)
diff --git a/PatientScannerDemoTests/EHNTests.swift b/PatientScannerDemoTests/EHNTests.swift
index 374534d..b3e3b67 100644
--- a/PatientScannerDemoTests/EHNTests.swift
+++ b/PatientScannerDemoTests/EHNTests.swift
@@ -11,7 +11,7 @@ import XCTest
 
 class EHNTests: XCTestCase {
   func testCoseEcdsa() throws {
-    var barcode = "HC1NCFY70R30FFWTWGSLKC 4O992$V M63TMF2V*D9LPC.3EHPCGEC27B72VF/347O4-M6Y9M6FOYG4ILDEI8GR3ZI$15MABL:E9CVBGEEWRMLE C39S0/ANZ52T82Z-73D63P1U 1$PKC 72H2XX09WDH889V5"
+    var barcode = "HC1:NCFY70R30FFWTWGSLKC 4O992$V M63TMF2V*D9LPC.3EHPCGEC27B72VF/347O4-M6Y9M6FOYG4ILDEI8GR3ZI$15MABL:E9CVBGEEWRMLE C39S0/ANZ52T82Z-73D63P1U 1$PKC 72H2XX09WDH889V5"
 
     let trustJson = """
     [
@@ -32,9 +32,13 @@ class EHNTests: XCTestCase {
     ]
     """
 
-    // Remove HC1 header if any
+    // Remove HC1 header if any (v0.0.3 'HC1', v0.0.4 'HC1:'
+    //
     if (barcode.hasPrefix("HC1")) {
       barcode = String(barcode.suffix(barcode.count-3))
+      if (barcode.hasPrefix("1")) {
+         barcode = String(barcode.suffix(barcode.count-1))
+      }
     }
 
     guard