diff --git a/hypervisor/include/common/ptdev.h b/hypervisor/include/common/ptdev.h
index d87bfd1cf..d8750ad17 100644
--- a/hypervisor/include/common/ptdev.h
+++ b/hypervisor/include/common/ptdev.h
@@ -29,8 +29,8 @@ struct ptdev_msi_info {
 	uint32_t pmsi_data; /* phys msi_data */
 	int msix;	/* 0-MSI, 1-MSIX */
 	int msix_entry_index; /* MSI: 0, MSIX: index of vector table*/
-	int virt_vector;
-	int phys_vector;
+	uint32_t virt_vector;
+	uint32_t phys_vector;
 };
 
 /* entry per guest vioapic pin */