diff --git a/.github/workflows/validate-shapes.yml b/.github/workflows/validate-shapes.yml
index b5dd49a..adfb331 100644
--- a/.github/workflows/validate-shapes.yml
+++ b/.github/workflows/validate-shapes.yml
@@ -39,9 +39,14 @@ jobs:
               if [[ "$_base_filename" =~ _initial$ ]]; then
                 _base_filename=${_base_filename%_initial}  # Remove "_initial" suffix
               fi
-              
-              shape_file="$folder/shape/${_base_filename}-shape.ttl"
 
+              # Use dcat-shapes.ttl for catalog.json
+              if [[ "$json_file" == "catalog/example/catalog.json" ]]; then
+                shape_file="dcat-shapes.ttl"
+              else
+                shape_file="$folder/shape/${_base_filename}-shape.ttl"
+              fi
+              
               if [[ -f "$shape_file" ]]; then
                 echo "Validating $json_file against $shape_file"
                 pyshacl -df json-ld -sf turtle -s $shape_file  $json_file