diff --git a/components/heap/test_multi_heap_host/test_multi_heap.cpp b/components/heap/test_multi_heap_host/test_multi_heap.cpp
index 4c11b5fd1607..3ab88c647ea6 100644
--- a/components/heap/test_multi_heap_host/test_multi_heap.cpp
+++ b/components/heap/test_multi_heap_host/test_multi_heap.cpp
@@ -204,15 +204,12 @@ TEST_CASE("multi_heap defrag realloc", "[multi_heap]")
 
 void multi_heap_allocation_impl(int heap_size)
 {
-    static uint8_t hostdata[16 * 1024 * 1024];
+    static uint8_t big_heap[16 * 1024 * 1024];
     const int NUM_POINTERS = 64;
 
     printf("Running multi-allocation test with heap_size %d...\n", heap_size);
 
-    multi_heap_handle_t hostheap = multi_heap_register(hostdata, sizeof(hostdata));
-    uint8_t *big_heap = (uint8_t *) multi_heap_malloc(hostheap, heap_size);
-    REQUIRE( big_heap );
-
+    REQUIRE( sizeof(big_heap) >= heap_size );
     multi_heap_handle_t heap = multi_heap_register(big_heap, heap_size);
 
     void *p[NUM_POINTERS] = { 0 };