diff --git a/app/src/main/java/dgca/verifier/app/android/verification/VerificationViewModel.kt b/app/src/main/java/dgca/verifier/app/android/verification/VerificationViewModel.kt
index 04055732..d0feaba2 100644
--- a/app/src/main/java/dgca/verifier/app/android/verification/VerificationViewModel.kt
+++ b/app/src/main/java/dgca/verifier/app/android/verification/VerificationViewModel.kt
@@ -153,7 +153,15 @@ class VerificationViewModel @Inject constructor(
 
         val plainInput = prefixValidationService.decode(code, verificationResult)
         val compressedCose = base45Service.decode(plainInput, verificationResult)
-        val cose = compressorService.decode(compressedCose, verificationResult)
+        val cose: ByteArray? = compressorService.decode(compressedCose, verificationResult)
+
+        if (cose == null) {
+            Timber.d("Verification failed: Too many bytes read")
+            return InnerVerificationResult(
+                greenCertificateData = greenCertificateData,
+                isApplicableCode = isApplicableCode
+            )
+        }
 
         val coseData = coseService.decode(cose, verificationResult)
         if (coseData == null) {