diff --git a/src/server/gdb_server.c b/src/server/gdb_server.c
index 152a06c72..4a33a3022 100644
--- a/src/server/gdb_server.c
+++ b/src/server/gdb_server.c
@@ -628,7 +628,7 @@ static int gdb_get_packet_inner(struct connection *connection,
 					 * warning only about subsequent ACK's. */
 					if (gdb_con->noack_mode > 1) {
 						LOG_WARNING("acknowledgment received, but no packet pending");
-					} else {
+					} else if (gdb_con->noack_mode) {
 						LOG_DEBUG("Received first acknowledgment after entering noack mode. Ignoring it.");
 						gdb_con->noack_mode = 2;
 					}