diff --git a/libraries/networking/src/ResourceCache.h b/libraries/networking/src/ResourceCache.h
index 7b8ffc392b..519b205d46 100644
--- a/libraries/networking/src/ResourceCache.h
+++ b/libraries/networking/src/ResourceCache.h
@@ -27,18 +27,18 @@ class QTimer;
 
 class Resource;
 
-static constexpr qint64 BYTES_PER_MEGABYTES = 1024 * 1024;
-static constexpr qint64 BYTES_PER_GIGABYTES = 1024 * BYTES_PER_MEGABYTES;
+static const qint64 BYTES_PER_MEGABYTES = 1024 * 1024;
+static const qint64 BYTES_PER_GIGABYTES = 1024 * BYTES_PER_MEGABYTES;
 
 // Windows can have troubles allocating that much memory in ram sometimes
 // so default cache size at 100 MB on windows (1GB otherwise)
 #ifdef Q_OS_WIN32
-static constexpr qint64 DEFAULT_UNUSED_MAX_SIZE = 100 * BYTES_PER_MEGABYTES;
+static const qint64 DEFAULT_UNUSED_MAX_SIZE = 100 * BYTES_PER_MEGABYTES;
 #else
-static constexpr qint64 DEFAULT_UNUSED_MAX_SIZE = 1024 * BYTES_PER_MEGABYTES;
+static const qint64 DEFAULT_UNUSED_MAX_SIZE = 1024 * BYTES_PER_MEGABYTES;
 #endif
-static constexpr qint64 MIN_UNUSED_MAX_SIZE = 0;
-static constexpr qint64 MAX_UNUSED_MAX_SIZE = 10 * BYTES_PER_GIGABYTES;
+static const qint64 MIN_UNUSED_MAX_SIZE = 0;
+static const qint64 MAX_UNUSED_MAX_SIZE = 10 * BYTES_PER_GIGABYTES;
 
 /// Base class for resource caches.
 class ResourceCache : public QObject {