diff --git a/pkgs/applications/misc/pcmanfm/default.nix b/pkgs/applications/misc/pcmanfm/default.nix
index a77b2d17ecb..2649c7cbd6a 100644
--- a/pkgs/applications/misc/pcmanfm/default.nix
+++ b/pkgs/applications/misc/pcmanfm/default.nix
@@ -7,10 +7,10 @@ let
   inherit (stdenv.lib) optional;
 in
 stdenv.mkDerivation rec {
-  name = "pcmanfm-1.3.0";
+  name = "pcmanfm-1.3.1";
   src = fetchurl {
     url = "mirror://sourceforge/pcmanfm/${name}.tar.xz";
-    sha256 = "1ywgfyklms5hqkapsbjps4kyx20ac0d1qk16ww74yagkyfdkwsas";
+    sha256 = "0mb8hg76x1z0szdyl0w7jpz0bdblc6a29is1vvnh79z37qxh8138";
   };
 
   buildInputs = [ glib gtk libfm' libX11 pango gnome3.defaultIconTheme ];
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
   configureFlags = optional withGtk3 "--with-gtk=3";
 
   meta = with stdenv.lib; {
-    homepage = http://blog.lxde.org/?cat=28/;
+    homepage = https://blog.lxde.org/category/pcmanfm/;
     license = licenses.gpl2Plus;
     description = "File manager with GTK+ interface";
     maintainers = [ maintainers.ttuegel ];
diff --git a/pkgs/development/libraries/libfm/default.nix b/pkgs/development/libraries/libfm/default.nix
index 796c03dab5e..a0323481be9 100644
--- a/pkgs/development/libraries/libfm/default.nix
+++ b/pkgs/development/libraries/libfm/default.nix
@@ -9,23 +9,29 @@ stdenv.mkDerivation rec {
   name = if extraOnly
     then "libfm-extra-${version}"
     else "libfm-${version}";
-  version = "1.3.0.2";
+  version = "1.3.1";
 
   src = fetchurl {
     url = "mirror://sourceforge/pcmanfm/libfm-${version}.tar.xz";
-    sha256 = "0wkwbi1nyvqza3r1dhrq846axiiq0fy0dqgngnagh76fjrwnzl0q";
+    sha256 = "1r6gl49xrykldwz8y4h2s7gjarxigg3bbkrj0gphxjj1vr5j9ccn";
   };
 
   nativeBuildInputs = [ vala pkgconfig intltool ];
   buildInputs = [ glib gtk pango ] ++ optional (!extraOnly) menu-cache;
 
-  configureFlags = optional extraOnly "--with-extra-only"
+  configureFlags = [
+    "--sysconfdir=/etc"
+  ] ++ optional extraOnly "--with-extra-only"
     ++ optional withGtk3 "--with-gtk=3";
 
+  installFlags = [
+    "sysconfdir=${placeholder "out"}/etc"
+  ];
+
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    homepage = http://blog.lxde.org/?cat=28/;
+    homepage = https://blog.lxde.org/category/pcmanfm/;
     license = licenses.lgpl21Plus;
     description = "A glib-based library for file management";
     maintainers = [ maintainers.ttuegel ];
diff --git a/pkgs/development/libraries/menu-cache/default.nix b/pkgs/development/libraries/menu-cache/default.nix
index c92b6a4e728..d64b7f12312 100644
--- a/pkgs/development/libraries/menu-cache/default.nix
+++ b/pkgs/development/libraries/menu-cache/default.nix
@@ -14,9 +14,9 @@ stdenv.mkDerivation {
   buildInputs = [ glib libfm-extra ];
 
   meta = with stdenv.lib; {
-    homepage = http://blog.lxde.org/?tag=menu-cache;
-    license = licenses.gpl2Plus;
     description = "Library to read freedesktop.org menu files";
+    homepage = https://blog.lxde.org/tag/menu-cache/;
+    license = licenses.gpl2Plus;
     maintainers = [ maintainers.ttuegel ];
     platforms = platforms.linux ++ platforms.darwin;
   };