diff --git a/src/calls-main-window.c b/src/calls-main-window.c
index 719de74..d98bad2 100644
--- a/src/calls-main-window.c
+++ b/src/calls-main-window.c
@@ -170,7 +170,7 @@ state_changed_cb (CallsMainWindow *self,
       break;
 
     case CALLS_MANAGER_STATE_NO_ORIGIN:
-      error = _("Can't place calls: No SIM card");
+      error = _("Can't place calls: No voice-capable modem available");
       break;
 
     case CALLS_MANAGER_STATE_UNKNOWN: