diff --git a/.github/workflows/Linux_options.yml b/.github/workflows/Linux_options.yml
index 7b36bd7..1efcfca 100644
--- a/.github/workflows/Linux_options.yml
+++ b/.github/workflows/Linux_options.yml
@@ -75,7 +75,7 @@ jobs:
       if: steps.cache-jasper.outputs.cache-hit != 'true'
       run: |
         cd jasper
-        CFLAGS=-Wno-implicit-function-declaration ./configure --prefix=$HOME/jasper
+        CFLAGS="-Wno-implicit-function-declaration -Wincompatible-pointer-types" ./configure --prefix=$HOME/jasper
         make
         make install