diff --git a/src/scripting/vm/jit_call.cpp b/src/scripting/vm/jit_call.cpp
index f51fd1c39..137203017 100644
--- a/src/scripting/vm/jit_call.cpp
+++ b/src/scripting/vm/jit_call.cpp
@@ -543,6 +543,8 @@ void JitCompiler::EmitNativeCall(VMNativeFunction *target)
 	ParamOpcodes.Clear();
 }
 
+static std::map<FString, std::unique_ptr<TArray<uint8_t>>> argsCache;
+
 asmjit::FuncSignature JitCompiler::CreateFuncSignature()
 {
 	using namespace asmjit;
@@ -657,7 +659,6 @@ asmjit::FuncSignature JitCompiler::CreateFuncSignature()
 	}
 
 	// FuncSignature only keeps a pointer to its args array. Store a copy of each args array variant.
-	static std::map<FString, std::unique_ptr<TArray<uint8_t>>> argsCache;
 	std::unique_ptr<TArray<uint8_t>> &cachedArgs = argsCache[key];
 	if (!cachedArgs) cachedArgs.reset(new TArray<uint8_t>(args));