diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 6ecd0c52acd2..c14732bf2d01 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -47,3 +47,11 @@ repos:
           common/amount\.(.*)|
           .*/test/.*
         )$
+
+    # Reimplementation of `make check-discouraged-functions` for pygrep.
+    - id: check-discouraged-functions
+      name: Check for usage of discouraged funtions
+      language: pygrep
+      entry: '[^a-z_/](?:fgets|fputs|gets|scanf|sprintf)\('
+      types: [c]
+      exclude: ccan\/|contrib\/