tmux doesn't like mouse-utf8 anymore

Xsession/.Xresources

@@ -295,4 +295,12 @@ URxvt.pointerBlank:         true
 *color13: #bb88dd
 *color14: #4eb4fa
 *color15: #d0d0d0
-!
+
+! ------------------------------------------------------------------------------
+! ROFI Color theme
+! ------------------------------------------------------------------------------
+rofi.color-enabled: true
+rofi.color-window: #273238, #273238, #1e2529
+rofi.color-normal: #273238, #c1c1c1, #273238, #394249, #ffffff
+rofi.color-active: #273238, #80cbc4, #273238, #394249, #80cbc4
+rofi.color-urgent: #273238, #ff1844, #273238, #394249, #ff1844

tmux/.tmux.conf

@@ -50,7 +50,7 @@ set -g visual-activity on
 set -g automatic-rename off
 
 # Mouse and panes
- set -g mouse-utf8 on
+ #set -g mouse-utf8 on
  set -g mouse on
 
 # resize only if actively looking