diff --git a/debian/rules b/debian/rules
index 796bc5fbf3..99cb788ef3 100755
--- a/debian/rules
+++ b/debian/rules
@@ -116,6 +116,7 @@ override_dh_auto_clean:
 	  $(PMAKE) clean-all; \
 	  $(RM) Makefile config.stamp config.mk; \
 	fi
+	$(RM) src/rt/hoedown/src/html_blocks.c # clean up after building this ourselves
 	$(RM) src/bootstrap/bootstrap.pyc
 
 override_dh_auto_build-arch: