diff --git a/src/cmd/dist/buildruntime.c b/src/cmd/dist/buildruntime.c
index a9c341c93ad..675ef2f58f7 100644
--- a/src/cmd/dist/buildruntime.c
+++ b/src/cmd/dist/buildruntime.c
@@ -248,6 +248,8 @@ ok:
 				aggr = "g";
 			else if(streq(fields.p[1], "M"))
 				aggr = "m";
+			else if(streq(fields.p[1], "P"))
+				aggr = "p";
 			else if(streq(fields.p[1], "Gobuf"))
 				aggr = "gobuf";
 			else if(streq(fields.p[1], "WinCall"))