diff --git a/scripts/projects.py b/scripts/projects.py
index 3b506488..2baf3dc5 100644
--- a/scripts/projects.py
+++ b/scripts/projects.py
@@ -271,15 +271,18 @@ def cmd_required_pkg(args_):
     parser.add_argument('module', nargs='*', help='Modules')
     parser.add_argument('--flavours', help='Dependency flavours', default='build')
     args=parser.parse_args(args_)
-    deps = get_modules_from_project_txt(args.module, 'pkg.required.jw', args.flavours.split(),
+    flavours = args.flavours.split()
+    debug("flavours = " + args.flavours)
+    deps = get_modules_from_project_txt(args.module, 'pkg.required.jw', flavours,
             scope = 2, add_self=True, names_only=True)
     subsecs = pkg_required_os_cascade()
     debug("subsecs = ", subsecs)
     required = []
     for s in subsecs:
-        vals = collect_values(deps, 'pkg.required.' + s, args.flavours)
-        if vals:
-            required = required + vals
+        for f in flavours:
+            vals = collect_values(deps, 'pkg.required.' + s, f)
+            if vals:
+                required = required + vals
     # TODO: add all not in build tree as -devel
     r = ''
     for m in required: