diff --git a/drivers/bus/vmbus/linux/vmbus_uio.c b/drivers/bus/vmbus/linux/vmbus_uio.c
index fb60ee126d..be6b677f99 100644
--- a/drivers/bus/vmbus/linux/vmbus_uio.c
+++ b/drivers/bus/vmbus/linux/vmbus_uio.c
@@ -283,10 +283,12 @@ vmbus_uio_map_secondary_subchan(const struct rte_vmbus_device *dev,
 	if (mapaddr == MAP_FAILED)
 		VMBUS_LOG(ERR,
 			  "mmap subchan %u in secondary failed", chan->relid);
-	else
+	else {
 		VMBUS_LOG(ERR,
 			  "mmap subchan %u in secondary address mismatch",
 			  chan->relid);
+		vmbus_unmap_resource(mapaddr, 2 * ring_size);
+	}
 	return -1;
 }
 
diff --git a/drivers/bus/vmbus/vmbus_common_uio.c b/drivers/bus/vmbus/vmbus_common_uio.c
index 1aa5cb2e4b..8e476f2eaf 100644
--- a/drivers/bus/vmbus/vmbus_common_uio.c
+++ b/drivers/bus/vmbus/vmbus_common_uio.c
@@ -75,9 +75,11 @@ vmbus_uio_map_secondary(struct rte_vmbus_device *dev)
 		if (mapaddr == MAP_FAILED)
 			VMBUS_LOG(ERR,
 				  "mmap resource %d in secondary failed", i);
-		else
+		else {
 			VMBUS_LOG(ERR,
 				  "mmap resource %d address mismatch", i);
+			vmbus_unmap_resource(mapaddr, uio_res->maps[i].size);
+		}
 
 		close(fd);
 		return -1;