diff --git a/src/pkg/rand/Makefile b/src/pkg/rand/Makefile
index 142aa7f4cd..29557caa7e 100644
--- a/src/pkg/rand/Makefile
+++ b/src/pkg/rand/Makefile
@@ -6,6 +6,6 @@ include $(GOROOT)/src/Make.$(GOARCH)
 
 TARG=rand
 GOFILES=\
-	rand.go\
+	rng.go\
 
 include $(GOROOT)/src/Make.pkg
diff --git a/src/pkg/rand/rand.go b/src/pkg/rand/rng.go
similarity index 100%
rename from src/pkg/rand/rand.go
rename to src/pkg/rand/rng.go