1 files changed, 1 insertions, 1 deletions

diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf
index 2e4a76d2c2..c2a072a329 100644
--- a/meta/conf/bitbake.conf
+++ b/meta/conf/bitbake.conf
@@ -522,7 +522,7 @@ UPDATECOMMAND = "ERROR, this must be a BitBake bug"
 UPDATECOMMAND_cvs = "/usr/bin/env cvs -d${CVSROOT} update -d -P ${CVSCOOPTS}"
 UPDATECOMMAND_svn = "/usr/bin/env svn update ${SVNCOOPTS}"
 SRCDATE = "${DATE}"
-SRCREV = "INVALID"
+SRCREV ??= "INVALID"
 AUTOREV = "${@bb.fetch2.get_autorev(d)}"
 SRCPV = "${@bb.fetch2.get_srcrev(d)}"