diff --git a/pkgs/applications/misc/simgrid/default.nix b/pkgs/applications/science/misc/simgrid/default.nix
similarity index 100%
rename from pkgs/applications/misc/simgrid/default.nix
rename to pkgs/applications/science/misc/simgrid/default.nix
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 8cf203ee3da1..c6154ff0d8ff 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8595,11 +8595,6 @@ let
     };
   };
 
-  simgrid = import ../applications/misc/simgrid {
-    inherit fetchurl cmake ruby;
-    stdenv = stdenv2;
-  };
-
   skype_linux = import ../applications/networking/skype {
     inherit fetchurl stdenv;
     inherit alsaLib freetype fontconfig zlib;
@@ -9569,6 +9564,11 @@ let
 
   ### SCIENCE / MISC
 
+  simgrid = import ../applications/science/misc/simgrid {
+    inherit fetchurl cmake ruby;
+    stdenv = stdenv2;
+  };
+
   tulip = import ../applications/science/misc/tulip {
     inherit fetchurl stdenv libxml2 freetype mesa glew
       autoconf automake libtool;