diff --git a/runphp/runphp b/runphp/runphp
index e8e8367..1a03b5f 100755
--- a/runphp/runphp
+++ b/runphp/runphp
@@ -276,12 +276,15 @@ function host_init_env() {
             ;;
         esac
     }
-    envs=(
-        /etc/default/dkbuild
-        ~/etc/default.${HOSTNAME%%.*}/dkbuild
-        ~/etc/default/dkbuild
-        ~/.dkbuild.env
-    )
+    envs=()
+    if [ -z "$RUNPHP_IGNORE_DEFAULTS" ]; then
+        envs+=(
+            /etc/default/dkbuild
+            ~/etc/default.${HOSTNAME%%.*}/dkbuild
+            ~/etc/default/dkbuild
+        )
+    fi
+    envs+=(~/.dkbuild.env)
     for env in "${envs[@]}"; do
         [ -f "$env" ] && source "$env"
     done