1 files changed, 2 insertions, 0 deletions

diff --git a/e-util/e-msgport.c b/e-util/e-msgport.c
index dc55156dc7..03c12c8847 100644
--- a/e-util/e-msgport.c
+++ b/e-util/e-msgport.c
@@ -922,6 +922,8 @@ int e_mutex_cond_wait(void *vcond, EMutex *m)
 		g_assert(m->owner == pthread_self());
 		pthread_mutex_unlock(&m->mutex);
 		return ret;
+	default:
+		g_return_val_if_reached(-1);
 	}
 }