diff --git a/main/gbc/gbc_dump.c b/main/gbc/gbc_dump.c
index 1434ef46c..f6bfde550 100644
--- a/main/gbc/gbc_dump.c
+++ b/main/gbc/gbc_dump.c
@@ -324,14 +324,17 @@ static void export_type(TYPE type, bool scomma)
 static void export_signature(int nparam, int npmin, PARAM *param, bool vararg)
 {
 	int i;
+	PARAM *p;
 
 	for (i = 0; i < nparam; i++)
 	{
+		p = &param[i];
+		
 		if (i == npmin)
 			fprintf(_finfo, "[");
 
-		fprintf(_finfo, "(%s)", get_name(param[i].index));
-		export_type(param[i].type, TRUE);
+		fprintf(_finfo, "(%s%s)", (p->byref ? "&" : ""), get_name(p->index));
+		export_type(p->type, TRUE);
 	}
 
 	if (npmin < nparam)
diff --git a/main/gbc/gbc_header.c b/main/gbc/gbc_header.c
index d040f6270..bd7048ea2 100644
--- a/main/gbc/gbc_header.c
+++ b/main/gbc/gbc_header.c
@@ -166,6 +166,7 @@ static void analyze_function_desc(TRANS_FUNC *func, int flag)
 
 		if (PATTERN_is(*look, RS_AT) || PATTERN_is(*look, RS_BYREF))
 		{
+			param->byref = TRUE;
 			func->byref |= byref_mask;
 			look++;
 		}
diff --git a/main/share/gbc_trans_common.h b/main/share/gbc_trans_common.h
index 4ea690ad6..3ad278677 100644
--- a/main/share/gbc_trans_common.h
+++ b/main/share/gbc_trans_common.h
@@ -31,6 +31,7 @@ typedef
 		PATTERN *optional;
 		short value;
 		unsigned ignore : 1;
+		unsigned byref : 1;
 		}
 	TRANS_PARAM;