diff --git a/src/coreclr/src/jit/compiler.h b/src/coreclr/src/jit/compiler.h
index b73592da64ca01..1b184290d6a1f8 100644
--- a/src/coreclr/src/jit/compiler.h
+++ b/src/coreclr/src/jit/compiler.h
@@ -1613,7 +1613,8 @@ struct fgArgTabEntry
         return 0;
     }
 
-    unsigned stackSize() const
+    // Get the number of bytes that this argument is occyping on the stack.
+    unsigned GetStackSize() const
     {
         return (TARGET_POINTER_SIZE * this->numSlots);
     }
diff --git a/src/coreclr/src/jit/morph.cpp b/src/coreclr/src/jit/morph.cpp
index 52ed8b3bb5eba3..1936dc20ab3c5e 100644
--- a/src/coreclr/src/jit/morph.cpp
+++ b/src/coreclr/src/jit/morph.cpp
@@ -6695,7 +6695,7 @@ bool Compiler::fgCanFastTailCall(GenTreeCall* callee, const char** failReason)
     {
         fgArgTabEntry* arg = argInfo->GetArgEntry(index, false);
 
-        calleeArgStackSize += arg->stackSize();
+        calleeArgStackSize += arg->GetStackSize();
     }
 
     auto reportFastTailCallDecision = [&](const char* thisFailReason) {