aca048814b2462501ab82938ff2473661182fffb

 1diff --git a/lib/theme-and-appearance.zsh b/lib/theme-and-appearance.zsh
 2index c83f58c7b912b022eea7afa7d5d7038f0044032f..1b64b51d4ef13c146a74819fa925adc7624aebbe 100644
 3--- a/lib/theme-and-appearance.zsh
 4+++ b/lib/theme-and-appearance.zsh
 5@@ -47,7 +47,7 @@ fi
 6 # enable diff color if possible.
 7 if command diff --color /dev/null /dev/null &>/dev/null; then
 8   function color-diff {
 9-    diff --color $@
10+    command diff --color $@
11   }
12   alias diff="color-diff"
13   compdef _diff color-diff # compdef is already loaded by this point