diff --git a/dynhooks_sourcepawn.cpp b/dynhooks_sourcepawn.cpp
index 0a334ba..6a1e70d 100644
--- a/dynhooks_sourcepawn.cpp
+++ b/dynhooks_sourcepawn.cpp
@@ -582,7 +582,7 @@ HookParamsStruct *CDynamicHooksSourcePawn::GetParamStruct()
 		memcpy(params->orgParams, pArgPtr, stackSize);
 	}
 
-	memset(params->newParams, NULL, paramsSize);
+	memset(params->newParams, 0, paramsSize);
 	memset(params->isChanged, false, numArgs * sizeof(bool));
 
 	int firstArg = 0;
diff --git a/dynhooks_sourcepawn.h b/dynhooks_sourcepawn.h
index fd81522..4f0e656 100644
--- a/dynhooks_sourcepawn.h
+++ b/dynhooks_sourcepawn.h
@@ -24,7 +24,7 @@ public:
 	CDynamicHooksSourcePawn(HookSetup *setup, CHook *pDetour, IPluginFunction *pCallback, bool post);
 
 	HookReturnStruct *GetReturnStruct();
-	HookParamsStruct *CDynamicHooksSourcePawn::GetParamStruct();
+	HookParamsStruct *GetParamStruct();
 	void UpdateParamsFromStruct(HookParamsStruct *params);
 
 public: