diff --git a/.gitignore b/.gitignore
index 89d9919..4b86fff 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@
 /qrap
 /pasta.1
 /seccomp.h
+/passt.pid
diff --git a/Makefile b/Makefile
index c441af3..0077fc9 100644
--- a/Makefile
+++ b/Makefile
@@ -122,7 +122,8 @@ valgrind: all
 .PHONY: clean
 clean:
 	$(RM) $(BIN) *.o seccomp.h pasta.1 \
-		passt.tar passt.tar.gz *.deb *.rpm
+		passt.tar passt.tar.gz *.deb *.rpm \
+		passt.pid
 
 install: $(BIN) $(MANPAGES)
 	mkdir -p $(DESTDIR)$(prefix)/bin $(DESTDIR)$(prefix)/share/man/man1