diff --git a/check_nfs_shares.sh b/check_nfs_shares.sh
new file mode 100755
index 0000000..9c0e019
--- /dev/null
+++ b/check_nfs_shares.sh
@@ -0,0 +1,50 @@
+#!/bin/bash
+
+# Function to print help
+print_help() {
+    echo "Usage: $0 <host> <shares>"
+    echo "Checks if the specified NFS shares are exported on the given host."
+    echo ""
+    echo "<host>    The IP address or hostname of the NFS server."
+    echo "<shares>  A comma-separated list of NFS shares to check. For example: '/mnt/test,/mnt/export'"
+    echo ""
+    echo "You can list the exported shares on an NFS server using the command 'showmount -e <host>'"
+    echo "This script assumes that 'showmount' is installed on the system where it is run."
+    exit 1
+}
+
+# Check if help is requested or the correct number of arguments is provided
+if [ "$#" -ne 2 ] || [ "$1" == "-h" ] || [ "$1" == "--help" ]; then
+    print_help
+fi
+
+# Assign arguments to variables
+host=$1
+shares=$2
+share_count=0
+
+# Convert comma-separated shares into an array
+IFS=',' read -r -a share_array <<< "$shares"
+
+# Flag to track if all shares are exported
+all_ok=true
+
+# Iterate over each share
+for share in "${share_array[@]}"; do
+    # Use showmount to check if the share is exported
+    output=$(showmount -e $host | grep $share)
+
+    # Check if the share is found in the output
+    if [[ $output != *"$share"* ]]; then
+        echo "CRITICAL - $share is not exported on $host"
+        exit 2
+    fi
+    share_count=$((share_count+1))
+done
+
+# Print final status
+if $all_ok; then
+    echo "OK - All specified shares are exported on $host | share_count=$share_count"
+fi
+
+exit 0
diff --git a/check_systemd_timer.py b/check_systemd_timer.py
index 63b6a80..8422f4a 100755
--- a/check_systemd_timer.py
+++ b/check_systemd_timer.py
@@ -117,7 +117,7 @@ def check_timer(timer_name):
         else:
             quit_check(f'{timer_name} is not active.', nagios.STATE_CRIT)
     except dbus.exceptions.DBusException:
-        quit_check(f'{timer_name} could not be found.', nagios.STATE_UNKNOWN)
+        quit_check(f'{timer_name} could not be found.', nagios.STATE_CRIT)
 
 
 if __name__ == '__main__':