diff --git a/src/misc/GPUComputationRenderer.js b/src/misc/GPUComputationRenderer.js
index a5ad1e7a..d944b9a8 100644
--- a/src/misc/GPUComputationRenderer.js
+++ b/src/misc/GPUComputationRenderer.js
@@ -279,6 +279,8 @@ class GPUComputationRenderer {
           const renderTarget = renderTargets[j]
           renderTarget.dispose()
         }
+
+        variable.material.dispose()
       }
     }