diff --git a/.changeset/quiet-jobs-end.md b/.changeset/quiet-jobs-end.md
new file mode 100644
index 0000000..7e4d928
--- /dev/null
+++ b/.changeset/quiet-jobs-end.md
@@ -0,0 +1,5 @@
+---
+"@threejs-kit/instanced-sprite-mesh": patch
+---
+
+shader fix for flip
diff --git a/packages/instanced-sprite-mesh/src/material.ts b/packages/instanced-sprite-mesh/src/material.ts
index a5b1177..c30257c 100644
--- a/packages/instanced-sprite-mesh/src/material.ts
+++ b/packages/instanced-sprite-mesh/src/material.ts
@@ -161,10 +161,11 @@ export const constructSpriteMaterial = (
 
       vec2 transformedPlaneUv = vUv + vec2(0.,0.);
 
-      if(flipX == 1.){
+      // todo  == 1. caused a flickering bug. look into Precision/interpolation?
+      if(flipX > 0.){
         transformedPlaneUv.x = 1. - transformedPlaneUv.x;
       }
-      if(flipY == 1.){
+      if(flipY > 0.){
         transformedPlaneUv.y = 1. - transformedPlaneUv.y;
       }