diff --git a/common/eq_stream_ident.cpp b/common/eq_stream_ident.cpp
index 764c77143..8668b7220 100644
--- a/common/eq_stream_ident.cpp
+++ b/common/eq_stream_ident.cpp
@@ -26,7 +26,7 @@ EQStreamIdentifier::~EQStreamIdentifier() {
 	}
 }
 
-void EQStreamIdentifier::RegisterPatch(const EQStreamInterface::Signature &sig, const char *name, OpcodeManager ** opcodes, const StructStrategy *structs) {
+void EQStreamIdentifier::RegisterPatch(EQStreamInterface::Signature sig, const char *name, OpcodeManager ** opcodes, const StructStrategy *structs) {
 	auto p = new Patch;
 	p->signature = sig;
 	p->name = name;
diff --git a/common/eq_stream_ident.h b/common/eq_stream_ident.h
index 483d48372..e34db5879 100644
--- a/common/eq_stream_ident.h
+++ b/common/eq_stream_ident.h
@@ -18,7 +18,7 @@ public:
 	~EQStreamIdentifier();
 
 	//registration interface.
-	void RegisterPatch(const EQStreamInterface::Signature &sig, const char *name, OpcodeManager ** opcodes, const StructStrategy *structs);
+	void RegisterPatch(EQStreamInterface::Signature sig, const char *name, OpcodeManager ** opcodes, const StructStrategy *structs);
 
 	//main processing interface
 	void Process();