diff --git a/source/firm.c b/source/firm.c
index 57cc3b1..5fb4037 100755
--- a/source/firm.c
+++ b/source/firm.c
@@ -295,7 +295,7 @@ u32 patch1x2xNativeAndSafeFirm(u32 devMode)
 
     ret += ISN3DS ? patchFirmWrites(process9Offset, process9Size) : patchOldFirmWrites(process9Offset, process9Size);
     
-    ret += patchOldSignatureChecks(process9Offset, process9Size);
+    ret += ISN3DS ? patchSignatureChecks(process9Offset, process9Size) : patchOldSignatureChecks(process9Offset, process9Size);
 
     if(devMode != 0)
     {