2 files changed, 4 insertions, 4 deletions
diff --git a/src/gui/windows/chatwindow.cpp b/src/gui/windows/chatwindow.cpp
index e15f68f35..057feb8d7 100644
--- a/src/gui/windows/chatwindow.cpp
+++ b/src/gui/windows/chatwindow.cpp
@@ -92,7 +92,7 @@ ChatWindow::ChatWindow() :
     mItemLinkHandler(new ItemLinkHandler),
     mChatTabs(CREATEWIDGETR(TabbedArea, this)),
     mChatInput(new ChatInput(this)),
-    mRainbowColor(0),
+    mRainbowColor(0U),
     mWhispers(),
     mChannels(),
     mHistory(),
@@ -1307,8 +1307,8 @@ void ChatWindow::postConnection()
             else if (ch > 0xc0 || ch < 0x80) \
             { \
                 newMsg += "##" + toString(fun) + msg.at(f); \
-                if (mRainbowColor > 9) \
-                    mRainbowColor = 0; \
+                if (mRainbowColor > 9U) \
+                    mRainbowColor = 0U; \
             } \
             else \
             { \
diff --git a/src/gui/windows/chatwindow.h b/src/gui/windows/chatwindow.h
index 0e1b6336d..f586e97f7 100644
--- a/src/gui/windows/chatwindow.h
+++ b/src/gui/windows/chatwindow.h
@@ -368,7 +368,7 @@ class ChatWindow final : public Window,
 
         void initTradeFilter();
 
-        int mRainbowColor;
+        unsigned int mRainbowColor;
 
         void debugMessage(const std::string &msg) override final;