diff --git a/src/Utilities/Patch.cpp b/src/Utilities/Patch.cpp
index c7350c3e..f3444392 100644
--- a/src/Utilities/Patch.cpp
+++ b/src/Utilities/Patch.cpp
@@ -61,7 +61,9 @@ void Patch::Apply()
 	DWORD protect_flag;
 	VirtualProtect(pAddress, this->size, PAGE_EXECUTE_READWRITE, &protect_flag);
 	memcpy(pAddress, this->pData, this->size);
-	VirtualProtect(pAddress, this->size, protect_flag, NULL);
+	VirtualProtect(pAddress, this->size, protect_flag, &protect_flag);
+	// NOTE: Instruction cache flush isn't required on x86. This is just to conform with Win32 API docs.
+	FlushInstructionCache(GetCurrentProcess(), pAddress, this->size);
 }
 
 void Patch::Apply_LJMP(DWORD offset, DWORD pointer)