diff --git a/lib/curl_memory.h b/lib/curl_memory.h
index 7c7c40e99a..7f110dab7d 100644
--- a/lib/curl_memory.h
+++ b/lib/curl_memory.h
@@ -96,7 +96,7 @@
 #ifdef HAVE_FREEADDRINFO
 #undef freeaddrinfo
 #endif /* HAVE_FREEADDRINFO */
-#endif /* CURL_NO_GETADDRINFO_OVERRIDE */
+#endif /* !CURL_NO_GETADDRINFO_OVERRIDE */
 
 /* sclose is probably already defined, redefine it! */
 #undef sclose
diff --git a/lib/memdebug.h b/lib/memdebug.h
index 05a20f9972..80f3374e52 100644
--- a/lib/memdebug.h
+++ b/lib/memdebug.h
@@ -173,7 +173,7 @@ CURL_EXTERN int curl_dbg_fclose(FILE *file, int line, const char *source);
 #define freeaddrinfo(data) \
   curl_dbg_freeaddrinfo(data, __LINE__, __FILE__)
 #endif /* HAVE_FREEADDRINFO */
-#endif /* CURL_NO_GETADDRINFO_OVERRIDE */
+#endif /* !CURL_NO_GETADDRINFO_OVERRIDE */
 
 /* sclose is probably already defined, redefine it! */
 #undef sclose