diff --git a/tests/lang.sh b/tests/lang.sh
index 463f72826..95e795e2e 100644
--- a/tests/lang.sh
+++ b/tests/lang.sh
@@ -51,10 +51,10 @@ for i in lang/eval-okay-*.nix; do
         if test -e lang/$i.flags; then
             flags=$(cat lang/$i.flags)
         fi
-        if ! expect 0 env NIX_PATH=lang/dir3:lang/dir4 nix-instantiate $flags --eval --strict lang/$i.nix > lang/$i.out; then
+        if ! expect 0 env NIX_PATH=lang/dir3:lang/dir4 HOME=/fake-home nix-instantiate $flags --eval --strict lang/$i.nix > lang/$i.out; then
             echo "FAIL: $i should evaluate"
             fail=1
-        elif ! diff lang/$i.out lang/$i.exp; then
+        elif ! diff <(< lang/$i.out sed -e "s|$(pwd)|/pwd|g") lang/$i.exp; then
             echo "FAIL: evaluation result of $i not as expected"
             fail=1
         fi
diff --git a/tests/lang/eval-okay-path-antiquotation.exp b/tests/lang/eval-okay-path-antiquotation.exp
index b0e528f2a..5b8ea0243 100644
--- a/tests/lang/eval-okay-path-antiquotation.exp
+++ b/tests/lang/eval-okay-path-antiquotation.exp
@@ -1 +1 @@
-{ absolute = /foo; expr = /home/eelco/Dev/nix/tests/lang/foo/bar; home = /tmp/nix-shell.ZeLfDw/nix-test/default/test-home/foo; notfirst = /home/eelco/Dev/nix/tests/lang/bar/foo; simple = /home/eelco/Dev/nix/tests/lang/foo; slashes = /foo/bar; surrounded = /home/eelco/Dev/nix/tests/lang/a-foo-b; }
+{ absolute = /foo; expr = /pwd/lang/foo/bar; home = /fake-home/foo; notfirst = /pwd/lang/bar/foo; simple = /pwd/lang/foo; slashes = /foo/bar; surrounded = /pwd/lang/a-foo-b; }