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Diffstat (limited to 'pkgs/development/libraries/gnome/libbonoboui/default.nix')
-rw-r--r--pkgs/development/libraries/gnome/libbonoboui/default.nix4
1 files changed, 2 insertions, 2 deletions
diff --git a/pkgs/development/libraries/gnome/libbonoboui/default.nix b/pkgs/development/libraries/gnome/libbonoboui/default.nix
index 8abe0bee2a1f..3efa13fe151d 100644
--- a/pkgs/development/libraries/gnome/libbonoboui/default.nix
+++ b/pkgs/development/libraries/gnome/libbonoboui/default.nix
@@ -1,8 +1,8 @@
 {stdenv, fetchurl, pkgconfig, perl, libxml2, libglade, libgnome
 , libgnomecanvas}:
 
-assert !isNull pkgconfig && !isNull perl && !isNull libxml2
-  && !isNull libglade && !isNull libgnome && !isNull libgnomecanvas;
+assert pkgconfig != null && perl != null && libxml2 != null
+  && libglade != null && libgnome != null && libgnomecanvas != null;
 
 derivation {
   name = "libbonoboui-2.4.1";