diff --git a/Source/kwsys/testDynamicLoader.cxx b/Source/kwsys/testDynamicLoader.cxx
index e2ab12a0b7..5273f12121 100644
--- a/Source/kwsys/testDynamicLoader.cxx
+++ b/Source/kwsys/testDynamicLoader.cxx
@@ -98,7 +98,7 @@ int testDynamicLoader(int argc, char *argv[])
 {
 #if defined(_WIN32)
   SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX);
-#elif defined(__BEOS__)
+#elif defined(__BEOS__) || defined(__HAIKU__)
   disable_debugger(1);
 #endif
   int res = 0;