1 files changed, 6 insertions, 0 deletions
diff --git a/source/blender/editors/transform/transform_generics.c b/source/blender/editors/transform/transform_generics.c
index 7ff25509347..2e4f4344481 100644
--- a/source/blender/editors/transform/transform_generics.c
+++ b/source/blender/editors/transform/transform_generics.c
@@ -794,6 +794,12 @@ static void pose_transform_mirror_update(Object *ob, PoseInitData_Mirror *pid)
 
   for (bPoseChannel *pchan_orig = ob->pose->chanbase.first; pchan_orig;
        pchan_orig = pchan_orig->next) {
+    /* Clear the MIRROR flag from previous runs */
+    pchan_orig->bone->flag &= ~BONE_TRANSFORM_MIRROR;
+  }
+
+  for (bPoseChannel *pchan_orig = ob->pose->chanbase.first; pchan_orig;
+       pchan_orig = pchan_orig->next) {
     /* no layer check, correct mirror is more important */
     if (pchan_orig->bone->flag & BONE_TRANSFORM) {
       bPoseChannel *pchan = BKE_pose_channel_get_mirrored(ob->pose, pchan_orig->name);