diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index f1a6518b..9125b121 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -9,6 +9,7 @@ repos:
       - id: mixed-line-ending
         args: ['--fix=lf']
       - id: end-of-file-fixer
+        exclude: \.(pgm|pnm|ppm)$
   - repo: https://github.com/sirosen/check-jsonschema
     rev: 0.13.0
     hooks: