diff --git a/bash/alias/git.sh b/bash/alias/git.sh
index 85c5902..769e5e3 100644
--- a/bash/alias/git.sh
+++ b/bash/alias/git.sh
@@ -90,9 +90,16 @@ alias gfp='git fetch --prune --tags --verbose'
 
 # garbage collect all orphan commits
 alias ggc="\
-git reflog expire --expire=now --all \
+git \
+reflog \
+expire \
+--all \
+--expire \"all\" \
 ; \
-git gc --prune=now \
+git \
+gc \
+--aggressive \
+--prune \"now\" \
 "
 
 # initialize a new repository