diff --git a/c/ladspa/Makefile b/c/ladspa/Makefile
index 635db04..f61aded 100644
--- a/c/ladspa/Makefile
+++ b/c/ladspa/Makefile
@@ -1,3 +1,3 @@
 default: 
-	$(CC) -Wall -Werror -c -fPIC ../ringbuf.c ../rnnoise/*.c module.c 
+	$(CC) -Wall -Werror -O2 -c -fPIC ../ringbuf.c ../rnnoise/*.c module.c 
 	$(CC) -shared -Wl,--version-script=export.txt -o rnnoise_ladspa.so *.o