diff --git a/lib/maintainers.nix b/lib/maintainers.nix
index 1d533d0a8405..437fb0744025 100644
--- a/lib/maintainers.nix
+++ b/lib/maintainers.nix
@@ -384,7 +384,6 @@
   mikefaille = "Michaël Faille <michael@faille.io>";
   miltador = "Vasiliy Solovey <miltador@yandex.ua>";
   mimadrid = "Miguel Madrid <mimadrid@ucm.es>";
-  mingchuan = "Ming Chuan <ming@culpring.com>";
   mirdhyn = "Merlin Gaillard <mirdhyn@gmail.com>";
   mirrexagon = "Andrew Abbott <mirrexagon@mirrexagon.com>";
   mjanczyk = "Marcin Janczyk <m@dragonvr.pl>";
@@ -550,6 +549,7 @@
   shell = "Shell Turner <cam.turn@gmail.com>";
   shlevy = "Shea Levy <shea@shealevy.com>";
   siddharthist = "Langston Barrett <langston.barrett@gmail.com>";
+  sifmelcara = "Ming Chuan <ming@culpring.com>";
   sigma = "Yann Hodique <yann.hodique@gmail.com>";
   simonvandel = "Simon Vandel Sillesen <simon.vandel@gmail.com>";
   sivteck = "Sivaram Balakrishnan <sivaram1992@gmail.com>";
diff --git a/pkgs/applications/misc/pcmanx-gtk2/default.nix b/pkgs/applications/misc/pcmanx-gtk2/default.nix
index 65366607c50c..0d0ebb658eea 100644
--- a/pkgs/applications/misc/pcmanx-gtk2/default.nix
+++ b/pkgs/applications/misc/pcmanx-gtk2/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation {
     homepage = http://pcman.ptt.cc;
     license = licenses.gpl2;
     description = "Telnet BBS browser with GTK+ interface";
-    maintainers = [ maintainers.mingchuan ];
+    maintainers = [ maintainers.sifmelcara ];
     platforms = platforms.linux;
   };
 }
diff --git a/pkgs/data/misc/brise/default.nix b/pkgs/data/misc/brise/default.nix
index b62586111d47..8b27f4fbf729 100644
--- a/pkgs/data/misc/brise/default.nix
+++ b/pkgs/data/misc/brise/default.nix
@@ -36,6 +36,6 @@ stdenv.mkDerivation rec {
     # may be released under different licenses
     license = licenses.gpl3;
     platforms = platforms.all;
-    maintainers = [ maintainers.mingchuan ];
+    maintainers = [ maintainers.sifmelcara ];
   };
 }
diff --git a/pkgs/development/compilers/crystal/default.nix b/pkgs/development/compilers/crystal/default.nix
index 62a504ef9668..ae94a76ab237 100644
--- a/pkgs/development/compilers/crystal/default.nix
+++ b/pkgs/development/compilers/crystal/default.nix
@@ -97,7 +97,7 @@ stdenv.mkDerivation rec {
     description = "A compiled language with Ruby like syntax and type inference";
     homepage = https://crystal-lang.org/;
     license = stdenv.lib.licenses.asl20;
-    maintainers = with stdenv.lib.maintainers; [ mingchuan ];
+    maintainers = with stdenv.lib.maintainers; [ sifmelcara ];
     platforms = [ "x86_64-linux" "i686-linux" "x86_64-darwin" ];
   };
 }
diff --git a/pkgs/development/libraries/librime/default.nix b/pkgs/development/libraries/librime/default.nix
index 142c48c12d8f..a8877bdb2da9 100644
--- a/pkgs/development/libraries/librime/default.nix
+++ b/pkgs/development/libraries/librime/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
     homepage    = http://rime.im/;
     description = "Rime Input Method Engine, the core library";
     license     = licenses.bsd3;
-    maintainers = with maintainers; [ mingchuan ];
+    maintainers = with maintainers; [ sifmelcara ];
     platforms   = platforms.all;
   };
 }
diff --git a/pkgs/development/libraries/marisa/default.nix b/pkgs/development/libraries/marisa/default.nix
index 5e4de2b4e1ca..5f050c6e7a73 100644
--- a/pkgs/development/libraries/marisa/default.nix
+++ b/pkgs/development/libraries/marisa/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
     homepage    = https://code.google.com/p/marisa-trie/;
     description = "Static and space-efficient trie data structure library";
     license     = licenses.bsd3;
-    maintainers = with maintainers; [ mingchuan ];
+    maintainers = with maintainers; [ sifmelcara ];
     platforms   = platforms.all;
   };
 }
diff --git a/pkgs/development/tools/build-managers/shards/default.nix b/pkgs/development/tools/build-managers/shards/default.nix
index 52c5417456ca..b7d75999fdf6 100644
--- a/pkgs/development/tools/build-managers/shards/default.nix
+++ b/pkgs/development/tools/build-managers/shards/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
     homepage = https://crystal-lang.org/;
     license = licenses.asl20;
     description = "Dependency manager for the Crystal language";
-    maintainers = with maintainers; [ mingchuan ];
+    maintainers = with maintainers; [ sifmelcara ];
     platforms = [ "x86_64-linux" "i686-linux" "x86_64-darwin" ];
   };
 }
diff --git a/pkgs/tools/inputmethods/fcitx-engines/fcitx-rime/default.nix b/pkgs/tools/inputmethods/fcitx-engines/fcitx-rime/default.nix
index 96e575d05bfc..e9e2e29f7fad 100644
--- a/pkgs/tools/inputmethods/fcitx-engines/fcitx-rime/default.nix
+++ b/pkgs/tools/inputmethods/fcitx-engines/fcitx-rime/default.nix
@@ -30,6 +30,6 @@ stdenv.mkDerivation rec {
     description   = "Rime support for Fcitx";
     license       = licenses.gpl2;
     platforms     = platforms.linux;
-    maintainers   = with maintainers; [ mingchuan ];
+    maintainers   = with maintainers; [ sifmelcara ];
   };
 }
diff --git a/pkgs/tools/text/opencc/default.nix b/pkgs/tools/text/opencc/default.nix
index b0805b4f768a..a2a02049d267 100644
--- a/pkgs/tools/text/opencc/default.nix
+++ b/pkgs/tools/text/opencc/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation {
       phrase-level conversion, variant conversion and regional idioms among Mainland China,
       Taiwan and Hong kong.
     '';
-    maintainers = [ maintainers.mingchuan ];
+    maintainers = [ maintainers.sifmelcara ];
     platforms = platforms.linux;
   };
 }