diff --git a/envsetup.sh b/envsetup.sh
index 85465b1..8798344 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -29,8 +29,8 @@
         echo "Couldn't locate the top of the tree.  Try setting TOP." >&2
         return
     fi
-    CALLED_FROM_SETUP=true BUILD_SYSTEM=build/core \
-      make --no-print-directory -C "$T" -f build/core/config.mk dumpvar-abs-$1
+    (cd $T; CALLED_FROM_SETUP=true BUILD_SYSTEM=build/core \
+      make --no-print-directory -C "$T" -f build/core/config.mk dumpvar-abs-$1)
 }
 
 # Get the exact value of a build variable.