diff --git a/src/dawn_native/opengl/PipelineLayoutGL.cpp b/src/dawn_native/opengl/PipelineLayoutGL.cpp
index 088eaf3..ef2cf7c 100644
--- a/src/dawn_native/opengl/PipelineLayoutGL.cpp
+++ b/src/dawn_native/opengl/PipelineLayoutGL.cpp
@@ -58,6 +58,7 @@
                         break;
 
                     case BindingInfoType::Texture:
+                    case BindingInfoType::ExternalTexture:
                         mIndexInfo[group][bindingIndex] = sampledTextureIndex;
                         sampledTextureIndex++;
                         break;