diff --git a/ChangeLog b/ChangeLog
index 06aefe3732..e81df2bd74 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Fri May 29 16:25:32 CEST 2009 Daniel Veillard <veillard@redhat.com>
+
+	* src/lxc_container.c: fix a portability issue if PR_CAPBSET_DROP
+	  not defined.
+
 Fri May 29 10:16:13 EDT 2009 Cole Robinson <crobinso@redhat.com>
 
 	* src/network_driver.c src/network_conf.c src/network_conf.h:
diff --git a/src/lxc_container.c b/src/lxc_container.c
index 6108f7a0c3..2592b10803 100644
--- a/src/lxc_container.c
+++ b/src/lxc_container.c
@@ -644,6 +644,7 @@ static int lxcContainerSetupMounts(virDomainDefPtr vmDef,
 
 static int lxcContainerDropCapabilities(virDomainDefPtr vmDef ATTRIBUTE_UNUSED)
 {
+#ifdef PR_CAPBSET_DROP
     int i;
     const struct {
         int id;
@@ -660,7 +661,9 @@ static int lxcContainerDropCapabilities(virDomainDefPtr vmDef ATTRIBUTE_UNUSED)
             return -1;
         }
     }
-
+#else /* ! PR_CAPBSET_DROP */
+    VIR_WARN0(_("failed to drop capabilities PR_CAPBSET_DROP undefined"));
+#endif
     return 0;
 }