diff --git a/src/textbuffer.cpp b/src/textbuffer.cpp
index 154d2a5..49e12d8 100644
--- a/src/textbuffer.cpp
+++ b/src/textbuffer.cpp
@@ -29,7 +29,7 @@ void TextBuffer::moveCursorLeft()
 
 void TextBuffer::moveCursorRight()
 {
-	if (cursor < buffer.size()) cursor++;
+    if (cursor < int(buffer.size())) cursor++;
 }
 
 std::string TextBuffer::getText() const