diff --git a/src/at.c b/src/at.c
index a6cb7e0..ee99ff4 100644
--- a/src/at.c
+++ b/src/at.c
@@ -295,7 +295,7 @@ static gboolean modem_response(gint fd,
             if (manager->at_callback != NULL)
                 manager->at_callback(manager, response);
             else
-                g_warning("AT command succesfull but no callback registered");
+                g_warning("AT command successful but no callback registered");
         }
         /* Not a recognized response, try running next command, just in case */
         else