diff --git a/i3-config b/i3-config
index 1fe3360..6df46ce 100644
--- a/i3-config
+++ b/i3-config
@@ -197,6 +197,9 @@ bindsym Escape mode "default"
 
 bindsym $mod+r mode "resize"
 
+for_window [title="KCalc"] floating enable; border normal
+for_window [class="Qalculate"] floating enable; border normal
+
 # Start i3bar to display a workspace bar (plus the system information i3status
 # finds out, if available)
 bar {