diff --git a/check.sh b/check.sh
index fa7fcd3..a1d6d78 100755
--- a/check.sh
+++ b/check.sh
@@ -12,7 +12,7 @@ if [[ -n ${ldd} ]]; then
 fi
 
 if [[ ! -d build ]]; then
-    meson setup -Dfuzz=enabled -Dtests=enabled build || exit $?
+    meson setup -Dfuzz=enabled -Dtests=enabled -Dbuildtype=debugoptimized build || exit $?
 fi
 
 meson compile -C build || exit $?