diff --git a/dlls/advapi32/crypt.c b/dlls/advapi32/crypt.c
index 7a258c47e4a..e6c39880120 100644
--- a/dlls/advapi32/crypt.c
+++ b/dlls/advapi32/crypt.c
@@ -1967,7 +1967,7 @@ BOOL WINAPI CryptVerifySignatureA (HCRYPTHASH hHash, BYTE *pbSignature, DWORD dw
 }
 
 /******************************************************************************
- * SystemFunction036   (ADVAPI32.@)
+ * SystemFunction030   (ADVAPI32.@)
  *
  * Tests if two blocks of 16 bytes are equal
  *