diff --git a/Makefile.am b/Makefile.am
index 1fb36583..82202bd0 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -55,6 +55,7 @@ install-exec-hook:
 
 clean-local:
 	cd src && rm -f *.o *~ && cd ..
+	cd src/libespeak-ng/ && rm -f *.o *.lo && cd ../..
 	cd android && $(GRADLE) clean
 
 distclean-local: