diff --git a/.pre-commit-hooks.yaml b/.pre-commit-hooks.yaml
index ce264eb..23b1d7d 100644
--- a/.pre-commit-hooks.yaml
+++ b/.pre-commit-hooks.yaml
@@ -3,3 +3,4 @@
   description : "Run Kubeconform on yaml files"
   entry: ./kubeconform.sh
   language: script
+  files: \.(yaml|yml)$
diff --git a/kubeconform.sh b/kubeconform.sh
index 614f6e6..06b7f66 100755
--- a/kubeconform.sh
+++ b/kubeconform.sh
@@ -1,9 +1,17 @@
-
-
 #!/bin/bash
 
 usage() { echo "Usage: ${0} [-p <string>]"; exit 1; }
 
+check() {
+  which kubeconform
+  if [[ $? -gt 0 ]]; then
+    echo "kubeconform not found, please install it from https://github.com/yannh/kubeconform/releases/latest"
+    exit 255
+  fi
+}
+
+check
+
 kpath=""
 while getopts "p:" arg; do
   case ${arg} in
@@ -20,13 +28,12 @@ shift $((OPTIND-1))
 
 for arg in "$@"
 do 
-  if [[ $arg == *".yaml" ]]; then
-    if [[ $path != "" ]]; then
-      if [[ $arg != *"$path"* ]]; then
+    if [[ $kpath != "" ]]; then
+      echo ${arg} | grep -q ${kpath}
+      if [[ $? -gt 0 ]]; then
         continue
       fi
     fi
     echo "Running kubeconform on $arg"
     kubeconform -strict -ignore-missing-schemas -summary -schema-location default -schema-location 'https://raw.githubusercontent.com/datreeio/CRDs-catalog/main/{{.Group}}/{{.ResourceKind}}_{{.ResourceAPIVersion}}.json' $arg
-  fi
 done
\ No newline at end of file