diff --git a/drivers/staging/csr/firmware.c b/drivers/staging/csr/firmware.c
index dc6a04db265a4e6c99ad899477edaf0849d23697..b6d8a6e52915cf56f8b9fc3e88469bb7044a58eb 100644
--- a/drivers/staging/csr/firmware.c
+++ b/drivers/staging/csr/firmware.c
@@ -286,7 +286,7 @@ uf_run_unifihelper(unifi_priv_t *priv)
 
     unifi_trace(priv, UDBG2, "running %s %s %s\n", argv[0], argv[1], argv[2]);
 
-    r = call_usermodehelper(argv[0], argv, envp, 0);
+    r = call_usermodehelper(argv[0], argv, envp, UMH_WAIT_EXEC);
 
     return r;
 #else