diff --git a/dkbuild b/dkbuild
index 19aaf81..abcea64 100755
--- a/dkbuild
+++ b/dkbuild
@@ -2812,7 +2812,7 @@ function build_action() {
         action=build
         [ -n "$update_src" ] || update_src=1
         [ "$update_src" == no ] && update_src=
-        if [ -z "$sync_src" -a -z "$build" -a -z "$push_image" ]; then
+        if [ -z "$clean_update" -a -z "$sync_src" -a -z "$build" -a -z "$push_image" ]; then
             sync_src=1
             build=1
         fi
@@ -2828,6 +2828,17 @@ function build_action() {
     setarg "${TMPARGS[@]}"
     setarg "$@"
 
+    if [ -n "$clean_update" ]; then
+        edebug "clean"
+        _clean_git_clean -f || die
+
+        edebug "update"
+        git pull || die
+
+        edebug "sync"
+        [ -n "$build" ] && sync_src=1
+    fi
+
     case "$action" in
     clone_src)
         die "Pas encore implémenté" #XXX
@@ -2836,17 +2847,6 @@ function build_action() {
         die "Pas encore implémenté" #XXX
         ;;
     build)
-        if [ -n "$clean_update" ]; then
-            edebug "clean"
-            _clean_git_clean -f || die
-
-            edebug "update"
-            git pull || die
-
-            edebug "sync"
-            [ -n "$build" ] && sync_src=1
-        fi
-
         default checkout checkout="$update_src"
         default copy copy="$sync_src"
         default build build="$build" ${no_cache:+no-cache} ${pull_image:+pull} ${push_image:+push}