1 files changed, 3 insertions, 3 deletions

diff --git a/source/blender/editors/space_outliner/outliner_tree.c b/source/blender/editors/space_outliner/outliner_tree.c
index 41958656688..fd6a052b84d 100644
--- a/source/blender/editors/space_outliner/outliner_tree.c
+++ b/source/blender/editors/space_outliner/outliner_tree.c
@@ -1627,7 +1627,7 @@ static int treesort_alpha_ob(const void *v1, const void *v2)
       return (x1->te->flag & TE_CHILD_NOT_IN_COLLECTION) ? 1 : -1;
     }
 
-    comp = BLI_natstrcmp(x1->name, x2->name);
+    comp = BLI_strcasecmp_natural(x1->name, x2->name);
 
     if (comp > 0) {
       return 1;
@@ -1659,7 +1659,7 @@ static int treesort_alpha(const void *v1, const void *v2)
   const tTreeSort *x1 = v1, *x2 = v2;
   int comp;
 
-  comp = BLI_natstrcmp(x1->name, x2->name);
+  comp = BLI_strcasecmp_natural(x1->name, x2->name);
 
   if (comp > 0) {
     return 1;
@@ -1697,7 +1697,7 @@ static int treesort_obtype_alpha(const void *v1, const void *v2)
       }
     }
     else {
-      int comp = BLI_natstrcmp(x1->name, x2->name);
+      int comp = BLI_strcasecmp_natural(x1->name, x2->name);
 
       if (comp > 0) {
         return 1;