diff --git a/plugins-scripts/check_log.sh b/plugins-scripts/check_log.sh
index c623a8d6..8ecdd316 100755
--- a/plugins-scripts/check_log.sh
+++ b/plugins-scripts/check_log.sh
@@ -105,11 +105,11 @@ while test -n "$1"; do
     case "$1" in
         -h | --help)
             print_help
-            exit "$STATE_OK"
+            exit "$STATE_UNKNOWN"
             ;;
         -V | --version)
             print_revision "$PROGNAME" "$REVISION"
-            exit "$STATE_OK"
+            exit "$STATE_UNKNOWN"
             ;;
         -F | --filename)
             logfile=$2
diff --git a/plugins-scripts/check_oracle.sh b/plugins-scripts/check_oracle.sh
index b14ec50e..59981386 100755
--- a/plugins-scripts/check_oracle.sh
+++ b/plugins-scripts/check_oracle.sh
@@ -86,20 +86,20 @@ esac
 # Information options
 case "$cmd" in
 --help)
-		print_help
-    exit "$STATE_OK"
+    print_help
+    exit "$STATE_UNKNOWN"
     ;;
 -h)
-		print_help
-    exit "$STATE_OK"
+    print_help
+    exit "$STATE_UNKNOWN"
     ;;
 --version)
-		print_revision "$PROGNAME" "$REVISION"
-    exit "$STATE_OK"
+    print_revision "$PROGNAME" "$REVISION"
+    exit "$STATE_UNKNOWN"
     ;;
 -V)
-		print_revision "$PROGNAME" "$REVISION"
-    exit "$STATE_OK"
+    print_revision "$PROGNAME" "$REVISION"
+    exit "$STATE_UNKNOWN"
     ;;
 esac
 
diff --git a/plugins-scripts/check_sensors.sh b/plugins-scripts/check_sensors.sh
index 921e7b36..866e0e0f 100755
--- a/plugins-scripts/check_sensors.sh
+++ b/plugins-scripts/check_sensors.sh
@@ -26,19 +26,19 @@ 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" "$REVISION"
-		exit "$STATE_OK"
+		exit "$STATE_UNKNOWN"
 		;;
 	-V)
 		print_revision "$PROGNAME" "$REVISION"
-		exit "$STATE_OK"
+		exit "$STATE_UNKNOWN"
 		;;
 	*)
 		sensordata=$(sensors 2>&1)