diff --git a/core/pool_allocator.cpp b/core/pool_allocator.cpp
index 017586b92ac..89523142126 100644
--- a/core/pool_allocator.cpp
+++ b/core/pool_allocator.cpp
@@ -359,7 +359,7 @@ Error PoolAllocator::resize(ID p_mem, int p_new_size) {
 	//p_new_size = align(p_new_size)
 	int _free = free_mem; // - static_area_size;
 
-	if ((_free + aligned(e->len)) - alloc_size < 0) {
+	if (uint32_t(_free + aligned(e->len)) < alloc_size) {
 		mt_unlock();
 		ERR_FAIL_V(ERR_OUT_OF_MEMORY);
 	};