diff --git a/plugins-scripts/check_log.sh b/plugins-scripts/check_log.sh
index 10c56f14..8ecdd316 100755
--- a/plugins-scripts/check_log.sh
+++ b/plugins-scripts/check_log.sh
@@ -105,7 +105,7 @@ while test -n "$1"; do
     case "$1" in
         -h | --help)
             print_help
-            exit "$STATE_OK"
+            exit "$STATE_UNKNOWN"
             ;;
         -V | --version)
             print_revision "$PROGNAME" "$REVISION"
diff --git a/plugins-scripts/check_oracle.sh b/plugins-scripts/check_oracle.sh
index d58cfbea..59981386 100755
--- a/plugins-scripts/check_oracle.sh
+++ b/plugins-scripts/check_oracle.sh
@@ -87,11 +87,11 @@ esac
 case "$cmd" in
 --help)
     print_help
-    exit "$STATE_OK"
+    exit "$STATE_UNKNOWN"
     ;;
 -h)
     print_help
-    exit "$STATE_OK"
+    exit "$STATE_UNKNOWN"
     ;;
 --version)
     print_revision "$PROGNAME" "$REVISION"
diff --git a/plugins-scripts/check_sensors.sh b/plugins-scripts/check_sensors.sh
index adbfc533..866e0e0f 100755
--- a/plugins-scripts/check_sensors.sh
+++ b/plugins-scripts/check_sensors.sh
@@ -26,11 +26,11 @@ print_help() {
 case "$1" in
 	--help)
 		print_help
-		exit "$STATE_OK"
+		exit "$STATE_UNKNOWN"
 		;;
 	-h)
 		print_help
-		exit "$STATE_OK"
+		exit "$STATE_UNKNOWN"
 		;;
 	--version)
 		print_revision "$PROGNAME" "$REVISION"