diff --git a/ChangeLog b/ChangeLog
index 2e5aa8c06f..c6db03fae3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Wed May 20 15:33:27 CEST 2009 Daniel Veillard <veillard@redhat.com>
+
+	* src/pci.c: small portability patch
+
 Wed May 20 09:10:28 CEST 2009 Daniel Veillard <veillard@redhat.com>
 
 	* src/lxc_driver.c: fix a couple of error code, patch by
diff --git a/src/pci.c b/src/pci.c
index ed64d6881a..3ffa0aa5e6 100644
--- a/src/pci.c
+++ b/src/pci.c
@@ -38,6 +38,11 @@
 #include "util.h"
 #include "virterror_internal.h"
 
+/* avoid compilation breakage on some systems */
+#ifndef MODPROBE
+#define MODPROBE "modprobe"
+#endif
+
 #define PCI_SYSFS "/sys/bus/pci/"
 #define PCI_ID_LEN 10   /* "XXXX XXXX" */
 #define PCI_ADDR_LEN 13 /* "XXXX:XX:XX.X" */