diff --git a/test-suite/standalone/Makefile.am b/test-suite/standalone/Makefile.am
index e7cfd822f..058ce9349 100644
--- a/test-suite/standalone/Makefile.am
+++ b/test-suite/standalone/Makefile.am
@@ -28,7 +28,9 @@ check_SCRIPTS =
 BUILT_SOURCES =
 EXTRA_DIST =
 
-TESTS_ENVIRONMENT = "${top_builddir}/pre-inst-guile-env"
+TESTS_ENVIRONMENT = 						\
+  builddir="$(builddir)"					\
+  "${top_builddir}/pre-inst-guile-env"
 
 test_cflags =					\
   -I$(top_srcdir)/test-suite/standalone		\
diff --git a/test-suite/standalone/test-asmobs b/test-suite/standalone/test-asmobs
index 2ea75d9bf..9689ab9c6 100755
--- a/test-suite/standalone/test-asmobs
+++ b/test-suite/standalone/test-asmobs
@@ -2,7 +2,8 @@
 exec guile -q -s "$0" "$@"
 !#
 
-(load-extension "libtest-asmobs" "libtest_asmobs_init")
+(load-extension (string-append (getenv "builddir") "/libtest-asmobs")
+                "libtest_asmobs_init")
 
 (define (test x v)
   (if v