diff --git a/src/libANGLE/renderer/metal/TextureMtl.mm b/src/libANGLE/renderer/metal/TextureMtl.mm
index 6f75fde508..36d5bb42ec 100644
--- a/src/libANGLE/renderer/metal/TextureMtl.mm
+++ b/src/libANGLE/renderer/metal/TextureMtl.mm
@@ -1012,6 +1012,15 @@ angle::Result TextureMtl::ensureNativeStorageCreated(const gl::Context *context)
                 // view of the native texture at this index later.
                 imageToTransfer = nullptr;
             }
+            else if (imageToTransfer)
+            {
+                // Image exists but doesn't match the new native storage in size, format,
+                // or array length. Invalidate it to prevent stale metadata from being used
+                // by later setPerSliceSubImage calls (which would use the wrong format
+                // converter or write to a mismatched texture allocation).
+                imageToTransfer                                = nullptr;
+                mTexImageDefs[face][imageMipLevel].formatID = angle::FormatID::NONE;
+            }
         }
     }