diff --git a/libraries/networking/src/ResourceCache.cpp b/libraries/networking/src/ResourceCache.cpp
index 9d99f7c636..83fcc90a4d 100644
--- a/libraries/networking/src/ResourceCache.cpp
+++ b/libraries/networking/src/ResourceCache.cpp
@@ -424,6 +424,11 @@ void ResourceCache::removeResource(const QUrl& url, qint64 size) {
 
 void ResourceCache::updateTotalSize(const qint64& deltaSize) {
     _totalResourcesSize += deltaSize;
+
+    // Sanity checks
+    assert(_totalResourcesSize >= 0);
+    assert(_totalResourcesSize < (1024 * BYTES_PER_GIGABYTES));
+
     emit dirty();
 }
  
diff --git a/libraries/networking/src/ResourceCache.h b/libraries/networking/src/ResourceCache.h
index d5360fc5b3..1461094cfb 100644
--- a/libraries/networking/src/ResourceCache.h
+++ b/libraries/networking/src/ResourceCache.h
@@ -50,7 +50,7 @@ static const qint64 DEFAULT_UNUSED_MAX_SIZE = 100 * BYTES_PER_MEGABYTES;
 static const qint64 DEFAULT_UNUSED_MAX_SIZE = 1024 * BYTES_PER_MEGABYTES;
 #endif
 static const qint64 MIN_UNUSED_MAX_SIZE = 0;
-static const qint64 MAX_UNUSED_MAX_SIZE = 10 * BYTES_PER_GIGABYTES;
+static const qint64 MAX_UNUSED_MAX_SIZE = MAXIMUM_CACHE_SIZE;
 
 // We need to make sure that these items are available for all instances of
 // ResourceCache derived classes. Since we can't count on the ordering of