diff --git a/src/libAtomVM/memory.c b/src/libAtomVM/memory.c
index a2d3b91b8..7656c3e1e 100644
--- a/src/libAtomVM/memory.c
+++ b/src/libAtomVM/memory.c
@@ -167,7 +167,7 @@ enum MemoryGCResult memory_ensure_free_with_roots(Context *c, size_t size, size_
                     should_gc = ((alloc_mode == MEMORY_CAN_SHRINK) && free_space - size > maximum_free_space);
                 } break;
                 case MinimumHeapGrowth:
-                    should_gc = ((alloc_mode == MEMORY_CAN_SHRINK) && free_space - size > 0);
+                    should_gc = ((alloc_mode == MEMORY_CAN_SHRINK) && free_space - size == 0);
                     break;
                 case FibonacciHeapGrowth: {
                     memory_size = memory_heap_memory_size(&c->heap);