diff --git a/package/speex/speex.mk b/package/speex/speex.mk
index 00e85b904a..36aa625047 100644
--- a/package/speex/speex.mk
+++ b/package/speex/speex.mk
@@ -23,6 +23,7 @@ $(DL_DIR)/$(SPEEX_SOURCE):
 
 $(SPEEX_DIR)/.unpacked: $(DL_DIR)/$(SPEEX_SOURCE)
 	$(SPEEX_CAT) $(DL_DIR)/$(SPEEX_SOURCE) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) -
+	$(CONFIG_UPDATE) $(SPEEX_DIR)
 	touch $(SPEEX_DIR)/.unpacked
 
 $(SPEEX_DIR)/Makefile: $(SPEEX_DIR)/.unpacked