diff --git a/CMakeLists.txt b/CMakeLists.txt
index 69a0df0..5bb8de6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -106,7 +106,7 @@ target_compile_options(tmxparser
   PRIVATE -Werror=strict-prototypes
   PRIVATE -Werror=old-style-definition
   PRIVATE -Werror=missing-prototypes)
-if(NOT USE_MINIZ)
+if(0)
   target_compile_options(tmxparser
     PRIVATE -Werror)
 endif()