diff --git a/pcsx2/DebugTools/DisassemblyManager.h b/pcsx2/DebugTools/DisassemblyManager.h
index 068e105311..9058b9f5f0 100644
--- a/pcsx2/DebugTools/DisassemblyManager.h
+++ b/pcsx2/DebugTools/DisassemblyManager.h
@@ -206,7 +206,7 @@ public:
 private:
 	DisassemblyEntry* getEntry(u32 address);
 	std::map<u32,DisassemblyEntry*> entries;
-	DebugInterface* cpu;
+	DebugInterface* cpu = NULL;
 	static int maxParamChars;
 };