diff --git a/src/pmlogconf/tools/pidstat b/src/pmlogconf/tools/pidstat
index b3cfbce..c040a60 100644
--- a/src/pmlogconf/tools/pidstat
+++ b/src/pmlogconf/tools/pidstat
@@ -1,6 +1,6 @@
 #pmlogconf-setup 2.0
 ident   metrics used by the pcp-pidstat(1) command
-probe   proc.psinfo.rss values ? available : exclude
+force include
 
 	proc.nprocs
 	proc.psinfo.pid
