diff --git a/tools/libxl/libxl_pci.c b/tools/libxl/libxl_pci.c
index 842d5b0463..33dd0606d4 100644
--- a/tools/libxl/libxl_pci.c
+++ b/tools/libxl/libxl_pci.c
@@ -930,6 +930,7 @@ skip1:
             }
         }
         fclose(f);
+        break;
     }
     default:
         abort();