diff --git a/pkgs/development/compilers/llvm/4/clang/default.nix b/pkgs/development/compilers/llvm/4/clang/default.nix
index 985e4261226..5d6516fc651 100644
--- a/pkgs/development/compilers/llvm/4/clang/default.nix
+++ b/pkgs/development/compilers/llvm/4/clang/default.nix
@@ -6,7 +6,7 @@
 let
   gcc = if stdenv.cc.isGNU then stdenv.cc.cc else stdenv.cc.cc.gcc;
   self = stdenv.mkDerivation ({
-    name = "clang-${version}";
+    pname = "clang";
     inherit version;
 
     src = fetch "cfe" "16vnv3msnvx33dydd17k2cq0icndi1a06bg5vcxkrhjjb1rqlwv1";
diff --git a/pkgs/development/compilers/llvm/5/clang/default.nix b/pkgs/development/compilers/llvm/5/clang/default.nix
index c568b694a89..4fb08b71a86 100644
--- a/pkgs/development/compilers/llvm/5/clang/default.nix
+++ b/pkgs/development/compilers/llvm/5/clang/default.nix
@@ -6,7 +6,7 @@
 let
   gcc = if stdenv.cc.isGNU then stdenv.cc.cc else stdenv.cc.cc.gcc;
   self = stdenv.mkDerivation ({
-    name = "clang-${version}";
+    pname = "clang";
     inherit version;
 
     src = fetch "cfe" "0018520c4qxf5hgjdqgpz2dgl3faf4gsz87fdlb8zdmx99rfk77s";
diff --git a/pkgs/development/compilers/llvm/6/clang/default.nix b/pkgs/development/compilers/llvm/6/clang/default.nix
index 4153c5a2b72..f6edf95d74a 100644
--- a/pkgs/development/compilers/llvm/6/clang/default.nix
+++ b/pkgs/development/compilers/llvm/6/clang/default.nix
@@ -6,7 +6,7 @@
 let
   gcc = if stdenv.cc.isGNU then stdenv.cc.cc else stdenv.cc.cc.gcc;
   self = stdenv.mkDerivation ({
-    name = "clang-${version}";
+    pname = "clang";
     inherit version;
 
     src = fetch "cfe" "0rxn4rh7rrnsqbdgp4gzc8ishbkryhpl1kd3mpnxzpxxhla3y93w";
diff --git a/pkgs/development/compilers/llvm/7/clang/default.nix b/pkgs/development/compilers/llvm/7/clang/default.nix
index 1dd9e34abbb..d53b8b28ae9 100644
--- a/pkgs/development/compilers/llvm/7/clang/default.nix
+++ b/pkgs/development/compilers/llvm/7/clang/default.nix
@@ -6,7 +6,7 @@
 
 let
   self = stdenv.mkDerivation ({
-    name = "clang-${version}";
+    pname = "clang";
     inherit version;
 
     src = fetch "cfe" "0vc4i87qwxnw9lci4ayws9spakg0z6w5w670snj9f8g5m9rc8zg9";
diff --git a/pkgs/development/compilers/llvm/8/clang/default.nix b/pkgs/development/compilers/llvm/8/clang/default.nix
index b7559a5ae57..9d269ea3a26 100644
--- a/pkgs/development/compilers/llvm/8/clang/default.nix
+++ b/pkgs/development/compilers/llvm/8/clang/default.nix
@@ -6,7 +6,7 @@
 
 let
   self = stdenv.mkDerivation ({
-    name = "clang-${version}";
+    pname = "clang";
     inherit version;
 
     src = fetch "cfe" "0ihnbdl058gvl2wdy45p5am55bq8ifx8m9mhcsgj9ax8yxlzvvvh";