diff --git a/dkbuild b/dkbuild
index 72ccfb9..bcfc069 100755
--- a/dkbuild
+++ b/dkbuild
@@ -1603,6 +1603,10 @@ function resolve_dists_profiles() {
     edebug "Calcul de la version par défaut"
     reset_functions
     define_functions_env
+
+    setenv "${TMPENVIRON[@]}"
+    setarg "${TMPARGS[@]}"
+    setarg "$@"
     load_dkbuild
 }
 
@@ -2973,10 +2977,7 @@ function build_action() {
     set_machine "$machine"
 
     ensure_projdir
-    resolve_dists_profiles
-    setenv "${TMPENVIRON[@]}"
-    setarg "${TMPARGS[@]}"
-    setarg "$@"
+    resolve_dists_profiles "$@"
 
     if [ -n "$clean_update" ]; then
         edebug "clean"
@@ -3145,10 +3146,7 @@ function dump_action() {
     set_machine "$machine"
 
     ensure_projdir
-    resolve_dists_profiles
-    setenv "${TMPENVIRON[@]}"
-    setarg "${TMPARGS[@]}"
-    setarg "$@"
+    resolve_dists_profiles "$@"
 
     foreach_dists_profiles _dump_each _dump_before _dump_after
 }
diff --git a/lib/dkbuild/tests/test-vars b/lib/dkbuild/tests/test-vars0
similarity index 83%
rename from lib/dkbuild/tests/test-vars
rename to lib/dkbuild/tests/test-vars0
index 8ac58fe..f766e20 100644
--- a/lib/dkbuild/tests/test-vars
+++ b/lib/dkbuild/tests/test-vars0
@@ -8,7 +8,7 @@ info "A=$A, B=$B"
 if [ "$A" != x ]; then
     note "\
 Essayer de relancer avec
-    $(qvals dkbuild -j "$(relpath "$DKBUILD")" -e A=x -e B=y)
+    $(qvals "$0" -j "$(relpath "$DKBUILD")" -e A=x -e B=y)
 on ne devrait pas pouvoir modifier la valeur de B"
 fi
 
diff --git a/lib/dkbuild/tests/test-vars1 b/lib/dkbuild/tests/test-vars1
new file mode 100644
index 0000000..1cf5599
--- /dev/null
+++ b/lib/dkbuild/tests/test-vars1
@@ -0,0 +1,15 @@
+# -*- coding: utf-8 mode: sh -*- vim:sw=4:sts=4:et:ai:si:sta:fenc=utf-8
+
+setenv dne=1
+setenv de=
+
+info "dne=$dne de=$de"
+if [ -n "$dne" -o -z "$de" ]; then
+    note "\
+Relancer avec
+    $(qvals "$0" -j "$(relpath "$DKBUILD")" -e dne= -e de=1)
+pour vérifier qu'on peut changer la valeur avec les options en ligne de commande"
+fi
+
+# pas de build automatique
+AUTOBUILD=