diff --git a/src/xenia/kernel/util/xex2.cc b/src/xenia/kernel/util/xex2.cc
index bfdd40a7f..c46687aba 100644
--- a/src/xenia/kernel/util/xex2.cc
+++ b/src/xenia/kernel/util/xex2.cc
@@ -585,9 +585,17 @@ int xe_xex2_read_image_basic_compressed(const xe_xex2_header_t *header,
     uncompressed_size += data_size + zero_size;
   }
 
+  // Calculate the total size of the XEX image from its headers.
+  uint32_t total_size = 0;
+  for (uint32_t i = 0; i < header->section_count; i++) {
+    xe_xex2_section_t& section = header->sections[i];
+
+    total_size += section.info.page_count * section.page_size;
+  }
+
   // Allocate in-place the XEX memory.
   uint32_t alloc_result = memory->HeapAlloc(
-      header->exe_address, uncompressed_size, xe::MEMORY_FLAG_ZERO);
+      header->exe_address, total_size, xe::MEMORY_FLAG_ZERO);
   if (!alloc_result) {
     XELOGE("Unable to allocate XEX memory at %.8X-%.8X.", header->exe_address,
            uncompressed_size);