diff --git a/src/dawn/native/Blob.cpp b/src/dawn/native/Blob.cpp
index ea4d28de92..cecac30e4f 100644
--- a/src/dawn/native/Blob.cpp
+++ b/src/dawn/native/Blob.cpp
@@ -53,6 +53,7 @@ Blob::Blob(uint8_t* data, size_t size, std::function<void()> deleter)
 
 Blob::Blob(Blob&& rhs) : mData(rhs.mData), mSize(rhs.mSize) {
     mDeleter = std::move(rhs.mDeleter);
+    rhs.mDeleter = nullptr;
 }
 
 Blob& Blob::operator=(Blob&& rhs) {
@@ -62,6 +63,7 @@ Blob& Blob::operator=(Blob&& rhs) {
         mDeleter();
     }
     mDeleter = std::move(rhs.mDeleter);
+    rhs.mDeleter = nullptr;
     return *this;
 }