1 files changed, 1 insertions, 1 deletions

diff --git a/src/AvatarProvider.cpp b/src/AvatarProvider.cpp

index b91657bc..89496b20 100644
--- a/src/AvatarProvider.cpp
+++ b/src/AvatarProvider.cpp
@@ -31,7 +31,7 @@ namespace AvatarProvider {
 void
 resolve(const QString &avatarUrl, int size, QObject *receiver, AvatarCallback callback)
 {
-        const auto cacheKey = avatarUrl + "_size_" + size;
+        const auto cacheKey = QString("%1_size_%2").arg(avatarUrl).arg(size);
 
         if (avatarUrl.isEmpty())
                 return;