diff --git a/src/security/security_dac.c b/src/security/security_dac.c
index 365ab8b221..baa987ccf9 100644
--- a/src/security/security_dac.c
+++ b/src/security/security_dac.c
@@ -834,7 +834,7 @@ virSecurityDACRestoreSecurityAllLabel(virSecurityManagerPtr mgr,
                                       int migrated)
 {
     virSecurityDACDataPtr priv = virSecurityManagerGetPrivateData(mgr);
-    int i;
+    size_t i;
     int rc = 0;
 
     if (!priv->dynamicOwnership)
@@ -904,7 +904,7 @@ virSecurityDACSetSecurityAllLabel(virSecurityManagerPtr mgr,
                                   const char *stdin_path ATTRIBUTE_UNUSED)
 {
     virSecurityDACDataPtr priv = virSecurityManagerGetPrivateData(mgr);
-    int i;
+    size_t i;
     uid_t user;
     gid_t group;
 
diff --git a/src/security/security_driver.c b/src/security/security_driver.c
index 7920b93644..d8a8283871 100644
--- a/src/security/security_driver.c
+++ b/src/security/security_driver.c
@@ -53,7 +53,7 @@ virSecurityDriverPtr virSecurityDriverLookup(const char *name,
                                              const char *virtDriver)
 {
     virSecurityDriverPtr drv = NULL;
-    int i;
+    size_t i;
 
     VIR_DEBUG("name=%s", NULLSTR(name));
 
diff --git a/src/security/security_selinux.c b/src/security/security_selinux.c
index 00ee41ed61..e3dce66a2d 100644
--- a/src/security/security_selinux.c
+++ b/src/security/security_selinux.c
@@ -1826,7 +1826,7 @@ virSecuritySELinuxRestoreSecurityAllLabel(virSecurityManagerPtr mgr,
 {
     virSecurityLabelDefPtr secdef;
     virSecuritySELinuxDataPtr data = virSecurityManagerGetPrivateData(mgr);
-    int i;
+    size_t i;
     int rc = 0;
 
     VIR_DEBUG("Restoring security label on %s", def->name);
@@ -2227,7 +2227,7 @@ virSecuritySELinuxSetSecurityAllLabel(virSecurityManagerPtr mgr,
                                       virDomainDefPtr def,
                                       const char *stdin_path)
 {
-    int i;
+    size_t i;
     virSecuritySELinuxDataPtr data = virSecurityManagerGetPrivateData(mgr);
     virSecurityLabelDefPtr secdef;
 
diff --git a/src/security/security_stack.c b/src/security/security_stack.c
index 9afc6418d7..1e229d7e76 100644
--- a/src/security/security_stack.c
+++ b/src/security/security_stack.c
@@ -513,7 +513,8 @@ virSecurityStackGetNested(virSecurityManagerPtr mgr)
     virSecurityManagerPtr *list = NULL;
     virSecurityStackDataPtr priv = virSecurityManagerGetPrivateData(mgr);
     virSecurityStackItemPtr item;
-    int len = 0, i = 0;
+    int len = 0;
+    size_t i;
 
     for (item = priv->itemsHead; item; item = item->next)
         len++;
@@ -521,7 +522,7 @@ virSecurityStackGetNested(virSecurityManagerPtr mgr)
     if (VIR_ALLOC_N(list, len + 1) < 0)
         return NULL;
 
-    for (item = priv->itemsHead; item; item = item->next, i++)
+    for (i = 0, item = priv->itemsHead; item; item = item->next, i++)
         list[i] = item->securityManager;
     list[len] = NULL;
 
diff --git a/src/security/virt-aa-helper.c b/src/security/virt-aa-helper.c
index 432f059067..b9282b4efe 100644
--- a/src/security/virt-aa-helper.c
+++ b/src/security/virt-aa-helper.c
@@ -498,7 +498,7 @@ valid_name(const char *name)
 static int
 array_starts_with(const char *str, const char * const *arr, const long size)
 {
-    int i;
+    size_t i;
     for (i = 0; i < size; i++) {
         if (strlen(str) < strlen(arr[i]))
             continue;
@@ -890,7 +890,7 @@ get_files(vahControl * ctl)
 {
     virBuffer buf = VIR_BUFFER_INITIALIZER;
     int rc = -1;
-    int i;
+    size_t i;
     char *uuid;
     char uuidstr[VIR_UUID_STRING_BUFLEN];