diff --git a/test-suite/standalone/Makefile.am b/test-suite/standalone/Makefile.am
index 3fa954021..e3b5a3888 100644
--- a/test-suite/standalone/Makefile.am
+++ b/test-suite/standalone/Makefile.am
@@ -82,7 +82,7 @@ TESTS += test-round
 noinst_LTLIBRARIES += libtest-asmobs.la
 libtest_asmobs_la_SOURCES = test-asmobs-lib.c
 libtest_asmobs_la_CFLAGS = ${test_cflags}
-libtest_asmobs_la_LDFLAGS = -no-undefined -rpath `pwd` # so libtool will really build an .so
+libtest_asmobs_la_LDFLAGS = -module -no-undefined -rpath `pwd` # so libtool will really build an .so
 libtest_asmobs_la_LIBADD = ${top_builddir}/libguile/libguile-@GUILE_EFFECTIVE_VERSION@.la
 BUILT_SOURCES += test-asmobs-lib.x
 check_SCRIPTS += test-asmobs
@@ -92,7 +92,7 @@ TESTS += test-asmobs
 noinst_LTLIBRARIES += libtest-ffi.la
 libtest_ffi_la_SOURCES = test-ffi-lib.c
 libtest_ffi_la_CFLAGS = ${test_cflags}
-libtest_ffi_la_LDFLAGS = -no-undefined -rpath `pwd` # so libtool will really build an .so
+libtest_ffi_la_LDFLAGS = -module -no-undefined -rpath `pwd` # so libtool will really build an .so
 libtest_ffi_la_LIBADD = ${top_builddir}/libguile/libguile-@GUILE_EFFECTIVE_VERSION@.la
 check_SCRIPTS += test-ffi
 TESTS += test-ffi
@@ -158,7 +158,7 @@ TESTS += test-scm-take-u8vector
 noinst_LTLIBRARIES += libtest-extensions.la
 libtest_extensions_la_SOURCES = test-extensions-lib.c
 libtest_extensions_la_CFLAGS = ${test_cflags}
-libtest_extensions_la_LDFLAGS = -no-undefined -rpath `pwd` # so libtool will really build an .so
+libtest_extensions_la_LDFLAGS = -module -no-undefined -rpath `pwd` # so libtool will really build an .so
 libtest_extensions_la_LIBADD = ${top_builddir}/libguile/libguile-@GUILE_EFFECTIVE_VERSION@.la
 check_SCRIPTS += test-extensions
 TESTS += test-extensions