diff --git a/build/has_icu_test.cpp b/build/has_icu_test.cpp
index e56c58c4..8d42e25c 100644
--- a/build/has_icu_test.cpp
+++ b/build/has_icu_test.cpp
@@ -31,8 +31,8 @@ int main()
    UErrorCode err = U_ZERO_ERROR;
    UChar32 c = ::u_charFromName(U_UNICODE_CHAR_NAME, "GREEK SMALL LETTER ALPHA", &err);
    std::cout << (int)c << std::endl;
-   if(err) return err;
+   if(err > 0) return err;
    U_NAMESPACE_QUALIFIER Locale l;
    boost::scoped_ptr<U_NAMESPACE_QUALIFIER Collator> p_col(U_NAMESPACE_QUALIFIER Collator::createInstance(l, err));
-   return err;
+   return err > 0 ? err : 0;
 }