diff --git a/common.sh b/common.sh
index e945b6ec10..b5b743d4ac 100644
--- a/common.sh
+++ b/common.sh
@@ -474,7 +474,7 @@ is_nfs() {
 
 warn_if_nfs() {
   if is_nfs "$1"; then
-    warn "$1 is on NFS. This is unsupported."
+    warn "$1 is on NFS. This is untested. You can send patches if it's broken."
   fi
 }
 
diff --git a/sdk_lib/enter_chroot.sh b/sdk_lib/enter_chroot.sh
index 3bb46733ea..3f332910dd 100755
--- a/sdk_lib/enter_chroot.sh
+++ b/sdk_lib/enter_chroot.sh
@@ -316,9 +316,8 @@ setup_env() {
       fi
     fi
 
-    if [ -d "$SUDO_HOME/.subversion" ]; then
+    if [[ -d "$SUDO_HOME/.subversion" ]]; then
       TARGET="/home/${SUDO_USER}/.subversion"
-      user_mkdir "${FLAGS_chroot}${TARGET}"
       setup_mount "${SUDO_HOME}/.subversion" "--bind" "${TARGET}"
       # Symbolic-link the .subversion directory so sandboxed subversion.class
       # clients can use it.