diff --git a/commands/Makefile b/commands/Makefile
index 89c1ad538..f83334a9e 100755
--- a/commands/Makefile
+++ b/commands/Makefile
@@ -40,6 +40,7 @@ all install clean::
 	cd make && $(MAKE) $@
 	cd mined && $(MAKE) $@
 	cd patch && $(MAKE) $@
+	cd ps && $(MAKE) $@
 	cd reboot && $(MAKE) $@
 	cd rlogind && $(MAKE) $@
 	cd scripts && $(MAKE) $@
diff --git a/commands/ps/Makefile b/commands/ps/Makefile
index 7ef621222..0ce6ec334 100644
--- a/commands/ps/Makefile
+++ b/commands/ps/Makefile
@@ -5,6 +5,8 @@ CC=	exec cc
 CFLAGS=	-O -D_MINIX -D_POSIX_SOURCE
 MAKE=	exec make -$(MAKEFLAGS)
 
+all: ps
+
 # process status utility
 ps:	ps.c /usr/include/minix/config.h /usr/include/minix/const.h \
 		/usr/src/kernel/const.h /usr/src/kernel/type.h \