diff --git a/src/rendering/water-material.js b/src/rendering/water-material.js
index 931f826d..4becf32b 100644
--- a/src/rendering/water-material.js
+++ b/src/rendering/water-material.js
@@ -933,24 +933,22 @@ export function createWaterMaterial(options) {
         }
     `;
 
-    const uniforms = UniformsUtils.merge([
-        UniformsLib.fog,
-        {
-            time: animationUniform,
-            waterColor: { value: [cr, cg, cb] },
-            surfaceOpacity: { value: clampedOpacity },
-            waveStrength: { value: waveStrength },
-            isTopFace: { value: topFaceFlag },
-            surfaceDisplacementEnabled: surfaceDisplacementEnabledUniform,
-            halfSize: { value: halfSize },
-            contactPatches: contactPatchesUniform,
-            contactPatchAxes: contactPatchAxesUniform,
-            contactPatchShapes: contactPatchShapesUniform,
-            reflectionTexture: reflectionTextureUniform,
-            reflectionMatrix: reflectionMatrixUniform,
-            reflectionEnabled: reflectionEnabledUniform
-        }
-    ]);
+    const uniforms = UniformsUtils.clone(UniformsLib.fog);
+    Object.assign(uniforms, {
+        time: animationUniform,
+        waterColor: { value: [cr, cg, cb] },
+        surfaceOpacity: { value: clampedOpacity },
+        waveStrength: { value: waveStrength },
+        isTopFace: { value: topFaceFlag },
+        surfaceDisplacementEnabled: surfaceDisplacementEnabledUniform,
+        halfSize: { value: halfSize },
+        contactPatches: contactPatchesUniform,
+        contactPatchAxes: contactPatchAxesUniform,
+        contactPatchShapes: contactPatchShapesUniform,
+        reflectionTexture: reflectionTextureUniform,
+        reflectionMatrix: reflectionMatrixUniform,
+        reflectionEnabled: reflectionEnabledUniform
+    });
 
     const material = new ShaderMaterial({
         vertexShader,
diff --git a/src/rendering/water-material.ts b/src/rendering/water-material.ts
index 1a288dab..45360d02 100644
--- a/src/rendering/water-material.ts
+++ b/src/rendering/water-material.ts
@@ -1188,24 +1188,22 @@ export function createWaterMaterial(options: WaterMaterialOptions): WaterMateria
     }
   `;
 
-  const uniforms = UniformsUtils.merge([
-    UniformsLib.fog,
-    {
-      time: animationUniform,
-      waterColor: { value: [cr, cg, cb] },
-      surfaceOpacity: { value: clampedOpacity },
-      waveStrength: { value: waveStrength },
-      isTopFace: { value: topFaceFlag },
-      surfaceDisplacementEnabled: surfaceDisplacementEnabledUniform,
-      halfSize: { value: halfSize },
-      contactPatches: contactPatchesUniform,
-      contactPatchAxes: contactPatchAxesUniform,
-      contactPatchShapes: contactPatchShapesUniform,
-      reflectionTexture: reflectionTextureUniform,
-      reflectionMatrix: reflectionMatrixUniform,
-      reflectionEnabled: reflectionEnabledUniform
-    }
-  ]);
+  const uniforms = UniformsUtils.clone(UniformsLib.fog);
+  Object.assign(uniforms, {
+    time: animationUniform,
+    waterColor: { value: [cr, cg, cb] },
+    surfaceOpacity: { value: clampedOpacity },
+    waveStrength: { value: waveStrength },
+    isTopFace: { value: topFaceFlag },
+    surfaceDisplacementEnabled: surfaceDisplacementEnabledUniform,
+    halfSize: { value: halfSize },
+    contactPatches: contactPatchesUniform,
+    contactPatchAxes: contactPatchAxesUniform,
+    contactPatchShapes: contactPatchShapesUniform,
+    reflectionTexture: reflectionTextureUniform,
+    reflectionMatrix: reflectionMatrixUniform,
+    reflectionEnabled: reflectionEnabledUniform
+  });
 
   const material = new ShaderMaterial({
     vertexShader,
diff --git a/tests/domain/water-material.test.ts b/tests/domain/water-material.test.ts
index 78963b1a..1a3a07b1 100644
--- a/tests/domain/water-material.test.ts
+++ b/tests/domain/water-material.test.ts
@@ -616,5 +616,14 @@ describe("water material helpers", () => {
     expect(result.reflectionTextureUniform).not.toBeNull();
     expect(result.reflectionMatrixUniform).not.toBeNull();
     expect(result.reflectionEnabledUniform?.value).toBe(0);
+    expect(result.animationUniform).toBe(material.uniforms["time"]);
+    expect(result.reflectionEnabledUniform).toBe(material.uniforms["reflectionEnabled"]);
+
+    if (result.animationUniform !== null && result.reflectionEnabledUniform !== null) {
+      result.animationUniform.value = 2.5;
+      result.reflectionEnabledUniform.value = 0.36;
+      expect(material.uniforms["time"]?.value).toBe(2.5);
+      expect(material.uniforms["reflectionEnabled"]?.value).toBe(0.36);
+    }
   });
 });
\ No newline at end of file