diff --git a/tests/longlong/longlongtest.cpp b/tests/longlong/longlongtest.cpp
index f8bbc6c5f5..9e6400c775 100644
--- a/tests/longlong/longlongtest.cpp
+++ b/tests/longlong/longlongtest.cpp
@@ -341,6 +341,9 @@ void LongLongTestCase::LoHi()
 
 void LongLongTestCase::Limits()
 {
+    // VC6 doesn't specialize numeric_limits<> for __int64 so skip this test
+    // for it.
+#ifndef __VISUALC6__
 #if wxUSE_LONGLONG_NATIVE
     CPPUNIT_ASSERT( std::numeric_limits<wxLongLong>::is_specialized );
     CPPUNIT_ASSERT( std::numeric_limits<wxULongLong>::is_specialized );
@@ -348,6 +351,7 @@ void LongLongTestCase::Limits()
     wxULongLong maxval = std::numeric_limits<wxULongLong>::max();
     CPPUNIT_ASSERT( maxval.ToDouble() > 0 );
 #endif // wxUSE_LONGLONG_NATIVE
+#endif // !__VISUALC6__
 }
 
 #endif // wxUSE_LONGLONG