diff --git a/RpcDecompiler/internalComplexTypesArrays.cpp b/RpcDecompiler/internalComplexTypesArrays.cpp
index 3d66cd1..ccda2c9 100644
--- a/RpcDecompiler/internalComplexTypesArrays.cpp
+++ b/RpcDecompiler/internalComplexTypesArrays.cpp
@@ -1043,7 +1043,7 @@ BOOL __fastcall processComplexArray(
 	oss<<" /* ";
 
 	for(j; j<i; j++){
-		if(callbacksCalled[j] != -1)
+		if(callbacksCalled[j] != (UINT16)-1)
 		{
 			oss<<" callback_"<<std::dec<<callbacksCalled[j]<<" used, ";
 		}