diff --git a/test/dt_arith.c b/test/dt_arith.c
index d3147cbd577..4a99811ae53 100644
--- a/test/dt_arith.c
+++ b/test/dt_arith.c
@@ -3307,6 +3307,7 @@ test_conv_flt_1(const char *name, int run_test, hid_t src, hid_t dst)
         return MAX((int)fails_all_tests, 1);
     else if (run_test == TEST_DENORM || run_test == TEST_SPECIAL)
         return 1;
+    return 1;
 #endif
 }