diff --git a/support/scripts/genimage.sh b/support/scripts/genimage.sh
index 625afc108c..039b3fef1d 100755
--- a/support/scripts/genimage.sh
+++ b/support/scripts/genimage.sh
@@ -1,7 +1,11 @@
 #!/usr/bin/env bash
 
 die() {
-  echo "Error: $@" >&2
+  cat <<EOF >&2
+Error: $@
+
+Usage: ${0} -c GENIMAGE_CONFIG_FILE
+EOF
   exit 1
 }