diff --git a/pkgs/applications/virtualization/xen/4.10.nix b/pkgs/applications/virtualization/xen/4.10.nix
index d3c2ed9060c..92df54d6e83 100644
--- a/pkgs/applications/virtualization/xen/4.10.nix
+++ b/pkgs/applications/virtualization/xen/4.10.nix
@@ -156,6 +156,10 @@ callPackage (import ./generic.nix (rec {
     "-Wno-error=stringop-truncation"
     "-Wno-error=format-truncation"
     "-Wno-error=array-bounds"
+    # Fix build with GCC 9
+    "-Wno-error=address-of-packed-member"
+    "-Wno-error=format-overflow"
+    "-Wno-error=absolute-value"
   ];
 
   postPatch = ''