diff --git a/configure.ac b/configure.ac
index 959c141d9..2a15ca695 100644
--- a/configure.ac
+++ b/configure.ac
@@ -305,7 +305,7 @@ fi
 # -DYY_STATIC is required by flex
 WZ_CFLAGS="${WZ_CFLAGS} -DYY_STATIC -DDEFAULT_DATADIR=\\\"${datadir}/warzone2100\\\""
 
-CFLAGS="${WZ_CFLAGS} ${CFLAGS}"
+CFLAGS="${CFLAGS} ${WZ_CFLAGS}"
 LIBS="${LIBS} ${WZ_LIBS} ${WIN32_LIBS}"
 
 AC_CONFIG_HEADER([lib/framework/config.h])