diff --git a/test/smoke/config.jsonc b/test/smoke/config.jsonc
index 433b7007..461b04d8 100644
--- a/test/smoke/config.jsonc
+++ b/test/smoke/config.jsonc
@@ -9,18 +9,15 @@
     "modules-center": ["custom/center"],
     "modules-right": ["custom/right"],
     "custom/left": {
-        "format": "Waybar",
-        "exec": "echo",
+        "exec": "echo Waybar",
         "interval": "once"
     },
     "custom/center": {
-        "format": "CI smoke test",
-        "exec": "echo",
+        "exec": "echo 'CI smoke test'",
         "interval": "once"
     },
     "custom/right": {
-        "format": "12:34",
-        "exec": "echo",
+        "exec": "echo 12:34",
         "interval": "once"
     }
 }
diff --git a/test/smoke/modules-config.jsonc b/test/smoke/modules-config.jsonc
index d6a7b9a8..108c51fc 100644
--- a/test/smoke/modules-config.jsonc
+++ b/test/smoke/modules-config.jsonc
@@ -12,8 +12,7 @@
     "memory": {},
     "disk": {},
     "custom/hello": {
-        "format": "ok",
-        "exec": "echo",
+        "exec": "echo ok",
         "interval": "once"
     }
 }