diff --git a/src/coreclr/src/vm/zapsig.cpp b/src/coreclr/src/vm/zapsig.cpp
index 49142460375c9b38ce61e2f7e02665ec5a8f18fd..08d9228c407cda293acc5e6b92033c5d5685fa98 100644
--- a/src/coreclr/src/vm/zapsig.cpp
+++ b/src/coreclr/src/vm/zapsig.cpp
@@ -1530,7 +1530,7 @@ BOOL ZapSig::EncodeMethod(
         {
             _ASSERTE(pConstrainedResolvedToken->cbTypeSpec > 0);
 
-            DWORD moduleIndex = (DWORD)-1;
+            DWORD moduleIndex = MODULE_INDEX_NONE;
             if (IsReadyToRunCompilation() && pMethod->GetModule()->IsInCurrentVersionBubble() && pInfoModule != (Module *) pConstrainedResolvedToken->tokenScope)
             {
                 moduleIndex = (*((EncodeModuleCallback)pfnEncodeModule))(pEncodeModuleContext, (Module *) pConstrainedResolvedToken->tokenScope);