diff --git a/interface/src/Application.cpp b/interface/src/Application.cpp
index 7f80407a6b..e58f79cb5e 100644
--- a/interface/src/Application.cpp
+++ b/interface/src/Application.cpp
@@ -108,7 +108,7 @@ static unsigned STARFIELD_SEED = 1;
 
 static const int BANDWIDTH_METER_CLICK_MAX_DRAG_LENGTH = 6; // farther dragged clicks are ignored
 
-const qint64 MAXIMUM_CACHE_SIZE = 10737418240;  // 10GB
+const unsigned MAXIMUM_CACHE_SIZE = 10737418240;  // 10GB
 
 static QTimer* idleTimer = NULL;