diff --git a/src/stick_table.c b/src/stick_table.c
index 5059164..6bd53a2 100644
--- a/src/stick_table.c
+++ b/src/stick_table.c
@@ -2218,7 +2218,7 @@
 		smp.px = NULL;
 		smp.sess = sess;
 		smp.strm = strm;
-		if (!smp_fetch_src || !smp_fetch_src(NULL, &smp, NULL, NULL))
+		if (!smp_fetch_src || !smp_fetch_src(empty_arg_list, &smp, NULL, NULL))
 			return NULL;
 
 		/* Converts into key. */
@@ -2283,7 +2283,7 @@
 	smp.px = NULL;
 	smp.sess = sess;
 	smp.strm = strm;
-	if (!smp_fetch_src || !smp_fetch_src(NULL, &smp, NULL, NULL))
+	if (!smp_fetch_src || !smp_fetch_src(empty_arg_list, &smp, NULL, NULL))
 		return NULL;
 
 	/* Converts into key. */
@@ -2815,7 +2815,7 @@
 		return 0;
 
 	/* Fetch source address in a sample. */
-	if (!smp_fetch_src || !smp_fetch_src(NULL, smp, NULL, NULL))
+	if (!smp_fetch_src || !smp_fetch_src(empty_arg_list, smp, NULL, NULL))
 		return 0;
 
 	/* Converts into key. */