2 files changed, 9 insertions, 0 deletions
diff --git a/source/blender/blenloader/intern/versioning_290.c b/source/blender/blenloader/intern/versioning_290.c
index 2db2bb3c29e..3bf464602bc 100644
--- a/source/blender/blenloader/intern/versioning_290.c
+++ b/source/blender/blenloader/intern/versioning_290.c
@@ -661,5 +661,11 @@ void blo_do_versions_290(FileData *fd, Library *UNUSED(lib), Main *bmain)
    */
   {
     /* Keep this block, even when empty. */
+    LISTBASE_FOREACH (Collection *, collection, &bmain->collections) {
+      collection->color_tag = COLLECTION_COLOR_NONE;
+    }
+    LISTBASE_FOREACH (Scene *, scene, &bmain->scenes) {
+      scene->master_collection->color_tag = COLLECTION_COLOR_NONE;
+    }
   }
 }
diff --git a/source/blender/blenloader/intern/versioning_userdef.c b/source/blender/blenloader/intern/versioning_userdef.c
index a0a60630986..d53959a1949 100644
--- a/source/blender/blenloader/intern/versioning_userdef.c
+++ b/source/blender/blenloader/intern/versioning_userdef.c
@@ -236,6 +236,9 @@ static void do_versions_theme(const UserDef *userdef, bTheme *btheme)
    */
   {
     /* Keep this block, even when empty. */
+    for (int i = 0; i < COLLECTION_COLOR_TOT; ++i) {
+      FROM_DEFAULT_V4_UCHAR(collection_color[i].color);
+    }
 
     FROM_DEFAULT_V4_UCHAR(space_properties.match);
   }