diff --git a/EdkModulePkg/Universal/EmuVariable/RuntimeDxe/EmuVariable.c b/EdkModulePkg/Universal/EmuVariable/RuntimeDxe/EmuVariable.c
index 6614bb03e9..fe1ac92b63 100644
--- a/EdkModulePkg/Universal/EmuVariable/RuntimeDxe/EmuVariable.c
+++ b/EdkModulePkg/Universal/EmuVariable/RuntimeDxe/EmuVariable.c
@@ -413,7 +413,7 @@ Returns:
   UINTN                   VarNameSize;
   EFI_STATUS              Status;
 
-  if (VariableNameSize == NULL || VendorGuid == NULL) {
+  if (VariableNameSize == NULL || VariableName == NULL || VendorGuid == NULL) {
     return EFI_INVALID_PARAMETER;
   }