diff --git a/src/command/cmd_ac.c b/src/command/cmd_ac.c
index fca3326a..1dfc5cc0 100644
--- a/src/command/cmd_ac.c
+++ b/src/command/cmd_ac.c
@@ -2530,6 +2530,8 @@ _connect_autocomplete(ProfWin *window, const char *const input)
                 return found;
             }
         }
+
+        g_string_free(beginning, TRUE);
     }
 
     g_strfreev(args);