diff --git a/crypto/rand/build.info b/crypto/rand/build.info
index 2591c01f3b..df9bac67f0 100644
--- a/crypto/rand/build.info
+++ b/crypto/rand/build.info
@@ -1,4 +1,4 @@
 LIBS=../../libcrypto
 SOURCE[../../libcrypto]=\
         randfile.c rand_lib.c rand_err.c rand_egd.c \
-        rand_win.c rand_unix.c rand_vms.c drbg_lib.c drbg_rand.c
+        rand_win.c rand_unix.c rand_vms.c drbg_lib.c drbg_ctr.c
diff --git a/crypto/rand/drbg_rand.c b/crypto/rand/drbg_ctr.c
similarity index 100%
rename from crypto/rand/drbg_rand.c
rename to crypto/rand/drbg_ctr.c