diff --git a/src/tests/test_strtod_nol.c b/src/tests/test_strtod_nol.c
index 8e5c5245..408cf464 100644
--- a/src/tests/test_strtod_nol.c
+++ b/src/tests/test_strtod_nol.c
@@ -39,8 +39,8 @@ int main(int argc, char *argv[])
     double val;
 
     for(i=0; tests[i].string != NULL; i++) {
-        if(strtod_nol_or_err(tests[i].string, "Cannot parse number") !=
-           tests[i].result) {
+        if(!dequal (strtod_nol_or_err(tests[i].string, "Cannot parse number"),
+                    tests[i].result)) {
             fprintf(stderr, "FAIL: strtod_nol_or_err(\"%s\") != %f\n",
                     tests[i].string, tests[i].result);
             return EXIT_FAILURE;