diff --git a/local/recipes/system/redbear-greeter/source/redbear-greeter-compositor b/local/recipes/system/redbear-greeter/source/redbear-greeter-compositor
index dc805916..8865edbd 100755
--- a/local/recipes/system/redbear-greeter/source/redbear-greeter-compositor
+++ b/local/recipes/system/redbear-greeter/source/redbear-greeter-compositor
@@ -36,11 +36,11 @@ drm_devices_ready() {
     local devices="${1:-}"
     local device=""
 
-    while IFS= read -r device; do
+    for device in $(parse_drm_devices "$devices"); do
         if [ ! -e "$device" ]; then
             return 1
         fi
-    done < <(parse_drm_devices "$devices")
+    done
 
     return 0
 }