diff --git a/scripts/git-config.sh b/scripts/git-config.sh
index 9b52e68..6814936 100755
--- a/scripts/git-config.sh
+++ b/scripts/git-config.sh
@@ -40,7 +40,7 @@ function git_unalias() {
 function git_set() {
   local name="$1"
   local value="$2"
-  run git config --global "$name" "$value"
+  run git config --global --replace-all "$name" "$value"
 }
 
 function git_unset() {