diff --git a/bin/gtr b/bin/gtr
index 5bc781f..846ba27 100755
--- a/bin/gtr
+++ b/bin/gtr
@@ -898,7 +898,7 @@ cmd_config() {
         log_error "Usage: git gtr config get <key> [--global]"
         exit 1
       fi
-      cfg_get "$key" "$scope"
+      cfg_get_all "$key" "$scope"
       ;;
     set)
       if [ -z "$key" ] || [ -z "$value" ]; then
diff --git a/lib/config.sh b/lib/config.sh
index 99ba0bc..c5a9047 100644
--- a/lib/config.sh
+++ b/lib/config.sh
@@ -121,7 +121,7 @@ cfg_unset() {
     --local|local|*) flag="--local" ;;
   esac
 
-  git config $flag --unset "$key" 2>/dev/null || true
+  git config $flag --unset-all "$key" 2>/dev/null || true
 }
 
 # Get config value with environment variable fallback