diff --git a/src/core/SkCachedData.cpp b/src/core/SkCachedData.cpp
index b48bee85060..6df6d1d9229 100644
--- a/src/core/SkCachedData.cpp
+++ b/src/core/SkCachedData.cpp
@@ -65,7 +65,12 @@ void SkCachedData::internalRef(bool fromCache) const {
 }
 
 void SkCachedData::internalUnref(bool fromCache) const {
-    if (AutoMutexWritable(this)->inMutexUnref(fromCache)) {
+    bool shouldDelete = false;
+    {
+        AutoMutexWritable amw(this);
+        shouldDelete = amw->inMutexUnref(fromCache);
+    }
+    if (shouldDelete) {
         // can't delete inside doInternalUnref, since it is locking a mutex (which we own)
         delete this;
     }