diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index e239102e2f..3fc3bdf554 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -15504,7 +15504,7 @@ virDomainActualNetDefFormat(virBufferPtr buf,
     return 0;
 }
 
-static int
+int
 virDomainNetDefFormat(virBufferPtr buf,
                       virDomainNetDefPtr def,
                       unsigned int flags)
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index 97d6337ba8..2467f65f37 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -2402,6 +2402,10 @@ int virDomainDiskSourceDefFormatInternal(virBufferPtr buf,
                                          virDomainDiskSourcePoolDefPtr srcpool,
                                          unsigned int flags);
 
+int virDomainNetDefFormat(virBufferPtr buf,
+                          virDomainNetDefPtr def,
+                          unsigned int flags);
+
 int virDomainDefCompatibleDevice(virDomainDefPtr def,
                                  virDomainDeviceDefPtr dev);
 
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 4578f1b599..3d8f2e3918 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -300,6 +300,7 @@ virDomainMemballoonModelTypeFromString;
 virDomainMemballoonModelTypeToString;
 virDomainMemDumpTypeFromString;
 virDomainMemDumpTypeToString;
+virDomainNetDefFormat;
 virDomainNetDefFree;
 virDomainNetFind;
 virDomainNetFindIdx;