diff --git a/Classes/Utils/Utils.m b/Classes/Utils/Utils.m
index d4102d82b..364837765 100644
--- a/Classes/Utils/Utils.m
+++ b/Classes/Utils/Utils.m
@@ -483,10 +483,12 @@
 	}
 
 	// since user wants to escape plus, we assume it expects to have phone numbers by default
-	if (addr && cfg && (linphone_proxy_config_get_dial_escape_plus(cfg))) {
-		linphone_address_set_username(addr, normvalue);
-	} else {
-		linphone_address_set_username(addr, value.UTF8String);
+	if (addr) {
+		if (cfg && (linphone_proxy_config_get_dial_escape_plus(cfg))) {
+			linphone_address_set_username(addr, normvalue);
+		} else {
+			linphone_address_set_username(addr, value.UTF8String);
+		}
 	}
 
 	return addr;