diff --git a/data/gui.xml b/data/gui.xml
index b8e44c8a5..b464d5893 100644
--- a/data/gui.xml
+++ b/data/gui.xml
@@ -262,7 +262,7 @@
       <key command="LayerOpacity" shortcut="Shift+4"><param name="opacity" value="255" /></key>
 
       <!-- Scroll to center -->
-      <key command="ScrollCenter" shortcut="Shift+C" />
+      <key command="ScrollCenter" shortcut="Shift+Z" />
       <key command="FitScreen" shortcut="Ctrl+0" mac="Cmd+0" />
 
       <!-- Scroll with arrows -->
@@ -503,7 +503,7 @@
       <key tool="eyedropper" shortcut="I" />
       <key tool="hand" shortcut="H" />
       <key tool="move" shortcut="V" />
-      <key tool="slice" shortcut="Ctrl+Alt+C" mac="Cmd+Alt+C" />
+      <key tool="slice" shortcut="Shift+C" />
       <key tool="zoom" shortcut="Z" />
 
       <key tool="paint_bucket" shortcut="G" />