diff --git a/testsuite/tests/perf/compiler/all.T b/testsuite/tests/perf/compiler/all.T
index 0bc811c1b93bd743da77d561ccfca87310330669..8ac94b6cb80702b60569c7919580e42afb69ac1b 100644
--- a/testsuite/tests/perf/compiler/all.T
+++ b/testsuite/tests/perf/compiler/all.T
@@ -400,7 +400,7 @@ test('MultiLayerModulesDefsGhciReload',
      [ collect_compiler_residency(15),
        pre_cmd('./genMultiLayerModulesDefs'),
        extra_files(['genMultiLayerModulesDefs']),
-       compile_timeout_multiplier(5)
+       compile_timeout_multiplier(10)
        # this is _a lot_
        # but this test has been failing every now and then,
        # especially on i386. Let's just give it some room