diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cd9afc8..61fe167 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -213,8 +213,11 @@ jobs:
 
       #- uses: Swatinem/rust-cache@v1
 
-      - name: Regenerate and check
-        run: ./regenerate_fonts_file.sh --check --hide-progress
+      - name: Regenerate fonts
+        run: ./regenerate_fonts_file.sh --hide-progress
+
+      - name: Check for diffs
+      - run: test -z "$(git status --porcelain)"
 
   msrv:
     name: Minimum Supported Rust Version
diff --git a/regenerate_fonts_file.sh b/regenerate_fonts_file.sh
index cf22a40..7a01b65 100755
--- a/regenerate_fonts_file.sh
+++ b/regenerate_fonts_file.sh
@@ -5,4 +5,4 @@ set -eu
 SCRIPTPATH=$( cd "$(dirname "$(readlink -f "$0")")" || exit 1 ; pwd -P )
 cd "$SCRIPTPATH/tools/generate_fonts_file"
 
-cargo run --release -- "$@" "$SCRIPTPATH/u8g2/csrc/u8g2_fonts.c" "$SCRIPTPATH/src/fonts.rs"
+cargo run --release -- "$@" "$SCRIPTPATH/u8g2/csrc/u8g2_fonts.c" "$SCRIPTPATH/src/fonts"