diff --git a/tests/docker/test-clang b/tests/docker/test-clang
index 324e341cea..db9e6970b7 100755
--- a/tests/docker/test-clang
+++ b/tests/docker/test-clang
@@ -17,11 +17,7 @@ requires clang
 
 cd "$BUILD_DIR"
 
-OPTS="--cxx=clang++ --cc=clang --host-cc=clang"
-# -fsanitize=undefined is broken on Fedora 23, skip it for now
-# See also: https://bugzilla.redhat.com/show_bug.cgi?id=1263834
-#OPTS="$OPTS --extra-cflags=-fsanitize=undefined \
-    #--extra-cflags=-fno-sanitize=float-divide-by-zero"
+OPTS="--cxx=clang++ --cc=clang --host-cc=clang --enable-sanitizers"
 build_qemu $OPTS
 check_qemu
 install_qemu