diff --git a/src/pool.c b/src/pool.c
index 214d950fb..908b3340f 100644
--- a/src/pool.c
+++ b/src/pool.c
@@ -213,7 +213,7 @@ static void detect_allocator(void)
 
 int is_trim_enabled(void)
 {
-	return using_default_allocator;
+	return !disable_trim && using_default_allocator;
 }
 
 static int mem_should_fail(const struct pool_head *pool)