diff --git a/envsetup.sh b/envsetup.sh
index af6695f..e448bd3 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -2059,6 +2059,11 @@
     (\cd "${T}" && build/make/tools/overrideflags.sh "$@")
 }
 
+function aninja() {
+    local T="$(gettop)"
+    (\cd "${T}" && prebuilts/build-tools/linux-x86/bin/ninja -f out/combined-${TARGET_PRODUCT}.ninja "$@")
+}
+
 validate_current_shell
 set_global_paths
 source_vendorsetup