diff --git a/tests/intrinsic/main.S b/tests/intrinsic/main.S
index d8a4c7e948..ec151bd97c 100644
--- a/tests/intrinsic/main.S
+++ b/tests/intrinsic/main.S
@@ -17,7 +17,7 @@ exit:
     .p2align 2
 
 heap_start:
-    .zero 1073741824
+    .zero 2048
 
 heap_end:
 stack_start: