diff --git a/src/microhttpd/test_options.c b/src/microhttpd/test_options.c
index 0c0825f1..085de072 100644
--- a/src/microhttpd/test_options.c
+++ b/src/microhttpd/test_options.c
@@ -35,7 +35,7 @@ const int DEBUG_GNUTLS_LOG_LEVEL = 0;
 const char *test_file_name = "https_test_file";
 const char test_file_data[] = "Hello World\n";
 
-static int
+static enum MHD_Result
 ahc_echo (void *cls,
           struct MHD_Connection *connection,
           const char *url,
diff --git a/src/microhttpd/test_start_stop.c b/src/microhttpd/test_start_stop.c
index c2f1781b..79d80d24 100644
--- a/src/microhttpd/test_start_stop.c
+++ b/src/microhttpd/test_start_stop.c
@@ -35,7 +35,7 @@
 #endif
 
 
-static int
+static enum MHD_Result
 ahc_echo (void *cls,
           struct MHD_Connection *connection,
           const char *url,