diff --git a/build/jam/FileRules b/build/jam/FileRules
index 6d137800aa..bb8f011454 100644
--- a/build/jam/FileRules
+++ b/build/jam/FileRules
@@ -315,14 +315,19 @@ rule CopySetHaikuRevision target : source
 actions CopySetHaikuRevision1
 {
 	$(HOST_ADD_BUILD_COMPATIBILITY_LIB_DIR)
-	revision=`LC_ALL=C LANG=C svn info $(HAIKU_TOP) 2> /dev/null |
-		grep Revision | awk '{printf $2}'`
+	# Try svn or git-svn
+	# Extract from "Revision: 12345" line
+	revision=`(LC_ALL=C LANG=C svn info $(HAIKU_TOP) ||
+		(cd $(HAIKU_TOP) && LC_ALL=C LANG=C git svn info)) 2> /dev/null |
+			grep Revision | awk '{printf $2}'`
 	if [ "$revision" = 0 -o "$revision" = "" ]; then
-		revision=`(cd $(HAIKU_TOP) && LC_ALL=C LANG=C git svn info)
-				2> /dev/null ||
-			(git log --max-count=1 --grep="git-svn-id:" 2> /dev/null |
-				grep git-svn-id: | cut -d '@' -f 2 |
-					awk '{printf $1}') 2> /dev/null`
+		# git-svn not present or not configured for this repository
+		# Try searching git logs for last git-svn commit
+		# Extract from " git-svn-id: .../haiku/trunk@12345 ..." line
+		revision=`cd $(HAIKU_TOP) &&
+			git log --max-count=1 --grep="git-svn-id:" 2> /dev/null |
+				grep "git-svn-id:" | cut -d '@' -f 2 |
+					awk '{printf $1}'`
 	fi
 	if [ "$revision" = "" ]; then
 		revision=0