diff --git a/src/coreclr/jit/codegencommon.cpp b/src/coreclr/jit/codegencommon.cpp
index d5d04802c56125..e09df5fbdb33a0 100644
--- a/src/coreclr/jit/codegencommon.cpp
+++ b/src/coreclr/jit/codegencommon.cpp
@@ -5035,7 +5035,7 @@ void CodeGen::genFnProlog()
     const bool isOSRx64Root = false;
 #endif // TARGET_AMD64
 
-    regMaskTP tempMask = initRegs & ~excludeMask & ~regSet.rsMaskResvd;
+    regMaskTP tempMask = initRegs & RBM_ALLINT & ~excludeMask & ~regSet.rsMaskResvd;
 
     if (tempMask != RBM_NONE)
     {