diff --git a/code/renderercommon/tr_font.c b/code/renderercommon/tr_font.c
index 0f89d5ad..2687bee5 100644
--- a/code/renderercommon/tr_font.c
+++ b/code/renderercommon/tr_font.c
@@ -303,7 +303,7 @@ static int fdOffset;
 static byte	*fdFile;
 
 int readInt( void ) {
-	int i = fdFile[fdOffset]+(fdFile[fdOffset+1]<<8)+(fdFile[fdOffset+2]<<16)+(fdFile[fdOffset+3]<<24);
+	int i = ((unsigned int)fdFile[fdOffset] | ((unsigned int)fdFile[fdOffset+1]<<8) | ((unsigned int)fdFile[fdOffset+2]<<16) | ((unsigned int)fdFile[fdOffset+3]<<24));
 	fdOffset += 4;
 	return i;
 }