diff --git a/defaults/busy-config b/defaults/busy-config
index 855cfba..2b44b3e 100644
--- a/defaults/busy-config
+++ b/defaults/busy-config
@@ -257,7 +257,7 @@ CONFIG_MV=y
 CONFIG_PWD=y
 CONFIG_READLINK=y
 # CONFIG_FEATURE_READLINK_FOLLOW is not set
-# CONFIG_REALPATH is not set
+CONFIG_REALPATH=y
 CONFIG_RM=y
 CONFIG_RMDIR=y
 CONFIG_FEATURE_RMDIR_LONG_OPTIONS=y