diff --git a/subprojects/libvhost-user/libvhost-user.c b/subprojects/libvhost-user/libvhost-user.c
index bcdf32a24f..211d31a4cc 100644
--- a/subprojects/libvhost-user/libvhost-user.c
+++ b/subprojects/libvhost-user/libvhost-user.c
@@ -192,7 +192,7 @@ vu_panic(VuDev *dev, const char *msg, ...)
 void *
 vu_gpa_to_va(VuDev *dev, uint64_t *plen, uint64_t guest_addr)
 {
-    int i;
+    unsigned int i;
 
     if (*plen == 0) {
         return NULL;
@@ -218,7 +218,7 @@ vu_gpa_to_va(VuDev *dev, uint64_t *plen, uint64_t guest_addr)
 static void *
 qva_to_va(VuDev *dev, uint64_t qemu_addr)
 {
-    int i;
+    unsigned int i;
 
     /* Find matching memory region.  */
     for (i = 0; i < dev->nregions; i++) {
@@ -621,7 +621,7 @@ map_ring(VuDev *dev, VuVirtq *vq)
 
 static bool
 generate_faults(VuDev *dev) {
-    int i;
+    unsigned int i;
     for (i = 0; i < dev->nregions; i++) {
         VuDevRegion *dev_region = &dev->regions[i];
         int ret;
@@ -829,7 +829,7 @@ static inline bool reg_equal(VuDevRegion *vudev_reg,
 static bool
 vu_rem_mem_reg(VuDev *dev, VhostUserMsg *vmsg) {
     VhostUserMemoryRegion m = vmsg->payload.memreg.region, *msg_region = &m;
-    int i;
+    unsigned int i;
     bool found = false;
 
     if (vmsg->fd_num > 1) {
@@ -895,7 +895,7 @@ vu_rem_mem_reg(VuDev *dev, VhostUserMsg *vmsg) {
 static bool
 vu_set_mem_table_exec_postcopy(VuDev *dev, VhostUserMsg *vmsg)
 {
-    int i;
+    unsigned int i;
     VhostUserMemory m = vmsg->payload.memory, *memory = &m;
     dev->nregions = memory->nregions;
 
@@ -972,7 +972,7 @@ vu_set_mem_table_exec_postcopy(VuDev *dev, VhostUserMsg *vmsg)
 static bool
 vu_set_mem_table_exec(VuDev *dev, VhostUserMsg *vmsg)
 {
-    int i;
+    unsigned int i;
     VhostUserMemory m = vmsg->payload.memory, *memory = &m;
 
     for (i = 0; i < dev->nregions; i++) {
@@ -1980,7 +1980,7 @@ end:
 void
 vu_deinit(VuDev *dev)
 {
-    int i;
+    unsigned int i;
 
     for (i = 0; i < dev->nregions; i++) {
         VuDevRegion *r = &dev->regions[i];