diff --git a/envsetup.sh b/envsetup.sh
index a7693c0f8b..974a9eaea4 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -187,7 +187,7 @@ function setpaths()
             ;;
     esac
     if [ -n "$ANDROID_EMULATOR_PREBUILTS" -a -d "$ANDROID_EMULATOR_PREBUILTS" ]; then
-        ANDROID_BUILD_PATHS=$ANDROID_EMULATOR_PREBUILTS:$ANDROID_BUILD_PATHS
+        ANDROID_BUILD_PATHS=$ANDROID_BUILD_PATHS:$ANDROID_EMULATOR_PREBUILTS
         export ANDROID_EMULATOR_PREBUILTS
     fi