diff --git a/include/utils/Errors.h b/include/utils/Errors.h
index 06565ea..08ddcd2 100644
--- a/include/utils/Errors.h
+++ b/include/utils/Errors.h
@@ -58,7 +58,7 @@
     ALREADY_EXISTS      = -EEXIST,
     DEAD_OBJECT         = -EPIPE,
     FAILED_TRANSACTION  = (UNKNOWN_ERROR + 2),
-#if !defined(HAVE_MS_C_RUNTIME)
+#if !defined(_WIN32)
     BAD_INDEX           = -EOVERFLOW,
     NOT_ENOUGH_DATA     = -ENODATA,
     WOULD_BLOCK         = -EWOULDBLOCK,