diff --git a/include/libvirt/libvirt.h.in b/include/libvirt/libvirt.h.in
index 8e20f75f0c..d5a710566c 100644
--- a/include/libvirt/libvirt.h.in
+++ b/include/libvirt/libvirt.h.in
@@ -851,7 +851,7 @@ virConnectPtr           virConnectOpen          (const char *name);
 virConnectPtr           virConnectOpenReadOnly  (const char *name);
 virConnectPtr           virConnectOpenAuth      (const char *name,
                                                  virConnectAuthPtr auth,
-                                                 int flags);
+                                                 unsigned int flags);
 int                     virConnectRef           (virConnectPtr conn);
 int                     virConnectClose         (virConnectPtr conn);
 const char *            virConnectGetType       (virConnectPtr conn);
@@ -961,7 +961,7 @@ int                    virDomainManagedSaveRemove(virDomainPtr dom,
  */
 int                     virDomainCoreDump       (virDomainPtr domain,
                                                  const char *to,
-                                                 int flags);
+                                                 unsigned int flags);
 
 /*
  * Screenshot of current domain console
@@ -1115,7 +1115,7 @@ typedef enum {
 } virDomainXMLFlags;
 
 char *                  virDomainGetXMLDesc     (virDomainPtr domain,
-                                                 int flags);
+                                                 unsigned int flags);
 
 
 char *                  virConnectDomainXMLFromNative(virConnectPtr conn,
@@ -1471,7 +1471,7 @@ int                     virNetworkGetUUID       (virNetworkPtr network,
 int                     virNetworkGetUUIDString (virNetworkPtr network,
                                                  char *buf);
 char *                  virNetworkGetXMLDesc    (virNetworkPtr network,
-                                                 int flags);
+                                                 unsigned int flags);
 char *                  virNetworkGetBridgeName (virNetworkPtr network);
 
 int                     virNetworkGetAutostart  (virNetworkPtr network,
@@ -2464,7 +2464,7 @@ virDomainSnapshotPtr virDomainSnapshotLookupByName(virDomainPtr domain,
                                                    unsigned int flags);
 
 /* Check whether a domain has a snapshot which is currently used */
-int virDomainHasCurrentSnapshot(virDomainPtr domain, unsigned flags);
+int virDomainHasCurrentSnapshot(virDomainPtr domain, unsigned int flags);
 
 /* Get a handle to the current snapshot */
 virDomainSnapshotPtr virDomainSnapshotCurrent(virDomainPtr domain,
@@ -2790,7 +2790,7 @@ int                     virNWFilterGetUUID       (virNWFilterPtr nwfilter,
 int                     virNWFilterGetUUIDString (virNWFilterPtr nwfilter,
                                                   char *buf);
 char *                  virNWFilterGetXMLDesc    (virNWFilterPtr nwfilter,
-                                                  int flags);
+                                                  unsigned int flags);
 
 
 int virDomainOpenConsole(virDomainPtr dom,
diff --git a/src/libvirt.c b/src/libvirt.c
index 5e1451c7f9..7e70caa582 100644
--- a/src/libvirt.c
+++ b/src/libvirt.c
@@ -955,7 +955,7 @@ error:
 static virConnectPtr
 do_open (const char *name,
          virConnectAuthPtr auth,
-         int flags)
+         unsigned int flags)
 {
     int i, res;
     virConnectPtr ret;
@@ -1269,7 +1269,7 @@ error:
 virConnectPtr
 virConnectOpenAuth(const char *name,
                    virConnectAuthPtr auth,
-                   int flags)
+                   unsigned int flags)
 {
     virConnectPtr ret = NULL;
     if (!initialized)
@@ -2365,7 +2365,7 @@ error:
  * Returns 0 in case of success and -1 in case of failure.
  */
 int
-virDomainCoreDump(virDomainPtr domain, const char *to, int flags)
+virDomainCoreDump(virDomainPtr domain, const char *to, unsigned int flags)
 {
     virConnectPtr conn;
 
@@ -3359,7 +3359,7 @@ error:
  *         the caller must free() the returned value.
  */
 char *
-virDomainGetXMLDesc(virDomainPtr domain, int flags)
+virDomainGetXMLDesc(virDomainPtr domain, unsigned int flags)
 {
     virConnectPtr conn;
 
@@ -8449,7 +8449,7 @@ error:
  *         the caller must free() the returned value.
  */
 char *
-virNetworkGetXMLDesc(virNetworkPtr network, int flags)
+virNetworkGetXMLDesc(virNetworkPtr network, unsigned int flags)
 {
     virConnectPtr conn;
     VIR_DEBUG("network=%p, flags=%x", network, flags);
@@ -14217,7 +14217,7 @@ error:
  *         the caller must free() the returned value.
  */
 char *
-virNWFilterGetXMLDesc(virNWFilterPtr nwfilter, int flags)
+virNWFilterGetXMLDesc(virNWFilterPtr nwfilter, unsigned int flags)
 {
     virConnectPtr conn;
     VIR_DEBUG("nwfilter=%p, flags=%x", nwfilter, flags);