diff --git a/src/security/intel/stm/SmmStm.c b/src/security/intel/stm/SmmStm.c
index 7256401..00490cf 100644
--- a/src/security/intel/stm/SmmStm.c
+++ b/src/security/intel/stm/SmmStm.c
@@ -477,7 +477,7 @@
 		return -1; // INVALID_PARAMETER;
 
 	resource_size = get_resource_size(resource_list, num_entries);
-	printk(BIOS_DEBUG, "STM: ResourceSize - 0x%08lx\n", resource_size);
+	printk(BIOS_DEBUG, "STM: ResourceSize - 0x%08x\n", (int) resource_size);
 	if (resource_size == 0)
 		return -1; // INVALID_PARAMETER;