diff --git a/Makefile.am b/Makefile.am
index 963d9c8b48e2fcb6fd9cd39b1fa5f7ffac476072..6b86fb7d465002f99328d659569b91b236d487b5 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -47,7 +47,7 @@ TESTS =						\
 TESTS_ENVIRONMENT =							\
   NIXPKGS="$(NIXPKGS)"							\
   GUILE_LOAD_COMPILED_PATH="$(top_builddir):$$GUILE_LOAD_COMPILED_PATH"	\
-  $(GUILE) -L "$(top_srcdir)"
+  $(GUILE) --no-auto-compile -L "$(top_srcdir)"
 
 EXTRA_DIST = build-aux/config.rpath $(TESTS)
 CLEANFILES = $(GOBJECTS) *.log