diff --git a/kas-container b/kas-container
index ab5b2a3..4eecbe7 100755
--- a/kas-container
+++ b/kas-container
@@ -305,7 +305,7 @@ KAS_REPO_DIR=$(git -C "${KAS_FILE_DIR}" rev-parse --show-toplevel 2>/dev/null) \
 
 KAS_REPO_MOUNT_OPT="${KAS_REPO_MOUNT_OPT:-${KAS_REPO_MOUNT_OPT_DEFAULT}}"
 
-KAS_FILES=/repo/"$(echo "${KAS_FILES}" | sed 's|'"${KAS_REPO_DIR}"'/||g;s|:|:/repo/|g')"
+KAS_FILES="$(echo "${KAS_FILES}" | sed 's|'"${KAS_REPO_DIR}"'/|/repo/|g')"
 
 trace mkdir -p "${KAS_WORK_DIR}"
 trace mkdir -p "${KAS_BUILD_DIR}"