diff --git a/pkgs/development/python-modules/pyopencl/default.nix b/pkgs/development/python-modules/pyopencl/default.nix
index 362cef42b78..9d5661f4d58 100644
--- a/pkgs/development/python-modules/pyopencl/default.nix
+++ b/pkgs/development/python-modules/pyopencl/default.nix
@@ -30,10 +30,10 @@ buildPythonPackage rec {
   # gcc: error: pygpu_language_opencl.cpp: No such file or directory
   doCheck = false;
 
-  meta = {
+  meta = with stdenv.lib; {
     description = "Python wrapper for OpenCL";
     homepage = https://github.com/pyopencl/pyopencl;
-    license = stdenv.lib.licenses.mit;
-    maintainer = stdenv.lib.maintainers.fridh;
+    license = licenses.mit;
+    maintainers = [ maintainers.fridh ];
   };
 }
diff --git a/pkgs/misc/emulators/dosbox/default.nix b/pkgs/misc/emulators/dosbox/default.nix
index ed15ab6c56e..48696f6b300 100644
--- a/pkgs/misc/emulators/dosbox/default.nix
+++ b/pkgs/misc/emulators/dosbox/default.nix
@@ -48,6 +48,6 @@ stdenv.mkDerivation rec {
     description = "A DOS emulator";
     platforms = platforms.unix;
     maintainers = with maintainers; [ matthewbauer ];
-    licenses = licenses.gpl2;
+    license = licenses.gpl2;
   };
 }
diff --git a/pkgs/os-specific/linux/zfs/default.nix b/pkgs/os-specific/linux/zfs/default.nix
index e932f516375..8d6aa033d89 100644
--- a/pkgs/os-specific/linux/zfs/default.nix
+++ b/pkgs/os-specific/linux/zfs/default.nix
@@ -125,7 +125,7 @@ let
           Copy-On-Write filesystem with data integrity detection and repair,
           snapshotting, cloning, block devices, deduplication, and more.
         '';
-        home = http://zfsonlinux.org/;
+        homepage = http://zfsonlinux.org/;
         license = licenses.cddl;
         platforms = platforms.linux;
         maintainers = with maintainers; [ jcumming wizeman wkennington fpletz globin ];
diff --git a/pkgs/stdenv/generic/check-meta.nix b/pkgs/stdenv/generic/check-meta.nix
index be98b1fce32..03a85633ed6 100644
--- a/pkgs/stdenv/generic/check-meta.nix
+++ b/pkgs/stdenv/generic/check-meta.nix
@@ -136,7 +136,7 @@ let
     description = str;
     longDescription = str;
     branch = str;
-    homepage = str;
+    homepage = either (listOf str) str;
     downloadPage = str;
     license = either (listOf lib.types.attrs) (either lib.types.attrs str);
     maintainers = listOf str;
@@ -158,6 +158,7 @@ let
     downloadURLRegexp = str;
     isFcitxEngine = bool;
     isIbusEngine = bool;
+    isGutenprint = bool;
   };
 
   checkMetaAttr = k: v:
diff --git a/pkgs/tools/inputmethods/interception-tools/caps2esc.nix b/pkgs/tools/inputmethods/interception-tools/caps2esc.nix
index b31a24b0c83..994e9da3e43 100644
--- a/pkgs/tools/inputmethods/interception-tools/caps2esc.nix
+++ b/pkgs/tools/inputmethods/interception-tools/caps2esc.nix
@@ -13,11 +13,11 @@ in stdenv.mkDerivation {
 
   buildInputs = [ cmake ];
 
-  meta = {
+  meta = with stdenv.lib; {
     homepage = "https://gitlab.com/interception/linux/plugins/caps2esc";
     description = "Transforming the most useless key ever into the most useful one";
-    license = stdenv.lib.licenses.mit;
-    maintainers = stdenv.lib.maintainers.vyp;
-    platforms = stdenv.lib.platforms.linux;
+    license = licenses.mit;
+    maintainers = [ maintainers.vyp ];
+    platforms = platforms.linux;
   };
 }