diff --git a/.github/workflows/c-std.yml b/.github/workflows/c-std.yml
index f6d682c..b6e116b 100644
--- a/.github/workflows/c-std.yml
+++ b/.github/workflows/c-std.yml
@@ -50,15 +50,15 @@ jobs:
         std:
           - name: c89
             value: c89
-            compiler-opt: -DZIP_INSECURE
+            compiler-opt: -DZLIB_INSECURE
 
           - name: gnu89
             value: gnu89
-            compiler-opt: -DZIP_INSECURE
+            compiler-opt: -DZLIB_INSECURE
 
           - name: c94
             value: iso9899:199409
-            compiler-opt: -DZIP_INSECURE
+            compiler-opt: -DZLIB_INSECURE
 
           - name: c99
             value: c99