diff --git a/check_not_writable.sh b/check_not_writable.sh
index 1cc756a..52481d1 100755
--- a/check_not_writable.sh
+++ b/check_not_writable.sh
@@ -1,23 +1,43 @@
 #!/bin/bash
 
-# Check if argument is provided
-if [ $# -eq 0 ]; then
-    echo "No arguments provided"
-    echo "./check_writable.sh [path to directory to test]"
-    exit 3
+# Default exit code for Nagios
+STATE_OK=0
+STATE_WARNING=1
+STATE_CRITICAL=2
+STATE_UNKNOWN=3
+
+# Parse command line options
+while getopts "p:" OPTION
+do
+    case $OPTION in
+        p)
+            path=$OPTARG
+            ;;
+        *)
+            echo "Usage: $0 -p <path>"
+            exit $STATE_UNKNOWN
+            ;;
+    esac
+done
+
+# Check if path is set
+if [ -z "$path" ]; then
+    echo "No path specified"
+    echo "./check_not_writable.sh -p [directory to check]"
+    exit $STATE_UNKNOWN
 fi
 
 # Check if directory exists
-if [ ! -d "$1" ]; then
-    echo "UNKNOWN - $1 is not a directory"
+if [ ! -d "$path" ]; then
+    echo "UNKNOWN - $path is not a directory"
     exit 3
 fi
 
-# Check if directory is not writable
-if [ ! -w "$1" ]; then
-    echo "OK - $1 is not writable"
-    exit 0
+# Check if directory is writable
+if [ ! -w "$path" ]; then
+    echo "OK - $path is not writable"
+    exit $STATE_OK
 else
-    echo "CRITICAL - $1 is writable"
+    echo "CRITICAL - $path is writable"
     exit 2
 fi
diff --git a/check_writable.sh b/check_writable.sh
index 880b009..1ee4ac3 100755
--- a/check_writable.sh
+++ b/check_writable.sh
@@ -1,23 +1,43 @@
 #!/bin/bash
 
-# Check if argument is provided
-if [ $# -eq 0 ]; then
-    echo "No arguments provided"
-    echo "./check_writable.sh [path to directory to test]"
-    exit 3
+# Default exit code for Nagios
+STATE_OK=0
+STATE_WARNING=1
+STATE_CRITICAL=2
+STATE_UNKNOWN=3
+
+# Parse command line options
+while getopts "p:" OPTION
+do
+    case $OPTION in
+        p)
+            path=$OPTARG
+            ;;
+        *)
+            echo "Usage: $0 -p <path>"
+            exit $STATE_UNKNOWN
+            ;;
+    esac
+done
+
+# Check if path is set
+if [ -z "$path" ]; then
+    echo "No path specified"
+    echo "./check_writable.sh -p [directory to check]"
+    exit $STATE_UNKNOWN
 fi
 
 # Check if directory exists
-if [ ! -d "$1" ]; then
-    echo "UNKNOWN - $1 is not a directory"
+if [ ! -d "$path" ]; then
+    echo "UNKNOWN - $path is not a directory"
     exit 3
 fi
 
 # Check if directory is writable
-if [ -w "$1" ]; then
-    echo "OK - $1 is writable"
-    exit 0
+if [ -w "$path" ]; then
+    echo "OK - $path is writable"
+    exit $STATE_OK
 else
-    echo "CRITICAL - $1 is not writable"
+    echo "CRITICAL - $path is not writable"
     exit 2
 fi