diff --git a/src/backend/web-gl/kernel-value/memory-optimized-number-texture.js b/src/backend/web-gl/kernel-value/memory-optimized-number-texture.js
index d4963de1..3366bac0 100644
--- a/src/backend/web-gl/kernel-value/memory-optimized-number-texture.js
+++ b/src/backend/web-gl/kernel-value/memory-optimized-number-texture.js
@@ -47,7 +47,7 @@ class WebGLKernelValueMemoryOptimizedNumberTexture extends WebGLKernelArray {
       if (kernel.immutable) {
         kernel.updateTextureArgumentRefs(this, inputTexture);
       } else {
-        if (kernel.texture.texture === inputTexture.texture) {
+        if (kernel.texture && kernel.texture.texture === inputTexture.texture) {
           throw new Error(sameError);
         } else if (kernel.mappedTextures) {
           const { mappedTextures } = kernel;
@@ -69,4 +69,4 @@ class WebGLKernelValueMemoryOptimizedNumberTexture extends WebGLKernelArray {
 module.exports = {
   WebGLKernelValueMemoryOptimizedNumberTexture,
   sameError
-};
\ No newline at end of file
+};
diff --git a/src/backend/web-gl/kernel-value/number-texture.js b/src/backend/web-gl/kernel-value/number-texture.js
index 9a98e73c..1dad54a5 100644
--- a/src/backend/web-gl/kernel-value/number-texture.js
+++ b/src/backend/web-gl/kernel-value/number-texture.js
@@ -49,7 +49,7 @@ class WebGLKernelValueNumberTexture extends WebGLKernelArray {
       if (kernel.immutable) {
         kernel.updateTextureArgumentRefs(this, inputTexture);
       } else {
-        if (kernel.texture.texture === inputTexture.texture) {
+        if (kernel.texture && kernel.texture.texture === inputTexture.texture) {
           throw new Error(sameError);
         } else if (kernel.mappedTextures) {
           const { mappedTextures } = kernel;
@@ -70,4 +70,4 @@ class WebGLKernelValueNumberTexture extends WebGLKernelArray {
 
 module.exports = {
   WebGLKernelValueNumberTexture
-};
\ No newline at end of file
+};
diff --git a/test/internal/backend/web-gl/kernel-value/memory-optimized-number-texture.js b/test/internal/backend/web-gl/kernel-value/memory-optimized-number-texture.js
index cd53b2d3..f399dce3 100644
--- a/test/internal/backend/web-gl/kernel-value/memory-optimized-number-texture.js
+++ b/test/internal/backend/web-gl/kernel-value/memory-optimized-number-texture.js
@@ -76,3 +76,38 @@ test('.constructor() checks ok height & width', () => {
   });
   assert.equal(v.constructor.name, 'WebGLKernelValueMemoryOptimizedNumberTexture');
 });
+
+test('.updateValue() should set uploadValue when a pipeline kernel has no texture', () => {
+  const mockKernel = {
+    constructor: {
+      features: { maxTextureSize: 2 },
+    },
+    validate: true,
+    pipeline: true,
+    setUniform3iv: () => {},
+    setUniform2iv: () => {},
+    setUniform1i: () => {},
+  };
+  const mockContext = {
+    activeTexture: () => {},
+    bindTexture: () => {},
+    texParameteri: () => {},
+    pixelStorei: () => {},
+    texImage2D: () => {},
+  };
+  const v = new webGLKernelValueMaps.unsigned.static.MemoryOptimizedNumberTexture({ size: [2,2], context: mockContext }, {
+    kernel: mockKernel,
+    name: 'test',
+    type: 'MemoryOptimizedNumberTexture',
+    origin: 'user',
+    tactic: 'speed',
+    context: mockContext,
+    onRequestContextHandle: () => 1,
+    onRequestTexture: () => null,
+    onRequestIndex: () => 1
+  });
+
+  const newMockTexture = {}
+  v.updateValue({ size: [2,2], context: mockContext, texture: newMockTexture })
+  assert.equal(v.uploadValue, newMockTexture)
+});
diff --git a/test/internal/backend/web-gl/kernel-value/number-texture.js b/test/internal/backend/web-gl/kernel-value/number-texture.js
index 3f2b416c..86902f06 100644
--- a/test/internal/backend/web-gl/kernel-value/number-texture.js
+++ b/test/internal/backend/web-gl/kernel-value/number-texture.js
@@ -76,3 +76,38 @@ test('.constructor() checks ok height & width', () => {
   });
   assert.equal(v.constructor.name, 'WebGLKernelValueNumberTexture');
 });
+
+test('.updateValue() should set uploadValue when a pipeline kernel has no texture', () => {
+  const mockKernel = {
+    constructor: {
+      features: { maxTextureSize: 2 },
+    },
+    pipeline: true,
+    validate: true,
+    setUniform3iv: () => {},
+    setUniform2iv: () => {},
+    setUniform1i: () => {},
+  };
+  const mockContext = {
+    activeTexture: () => {},
+    bindTexture: () => {},
+    texParameteri: () => {},
+    pixelStorei: () => {},
+    texImage2D: () => {},
+  };
+  const v = new webGLKernelValueMaps.unsigned.static.NumberTexture({ size: [2,2], context: mockContext }, {
+    kernel: mockKernel,
+    name: 'test',
+    type: 'NumberTexture',
+    origin: 'user',
+    tactic: 'speed',
+    context: mockContext,
+    onRequestContextHandle: () => 1,
+    onRequestTexture: () => null,
+    onRequestIndex: () => 1
+  });
+
+  const newMockTexture = {}
+  v.updateValue({ size: [2,2], context: mockContext, texture: newMockTexture })
+  assert.equal(v.uploadValue, newMockTexture)
+});