diff --git a/pkgs/development/compilers/ghc/7.0.4-binary.nix b/pkgs/development/compilers/ghc/7.0.4-binary.nix
index 51dd24671bdd..8758ee59d384 100644
--- a/pkgs/development/compilers/ghc/7.0.4-binary.nix
+++ b/pkgs/development/compilers/ghc/7.0.4-binary.nix
@@ -138,7 +138,7 @@ stdenv.mkDerivation rec {
     targetPrefix = "";
 
     # Our Cabal compiler name
-    haskellCompilerName = "ghc";
+    haskellCompilerName = "ghc-7.0.4";
   };
 
   meta.license = stdenv.lib.licenses.bsd3;
diff --git a/pkgs/development/compilers/ghc/7.0.4.nix b/pkgs/development/compilers/ghc/7.0.4.nix
index 54323458d9bd..5bd05b257ca5 100644
--- a/pkgs/development/compilers/ghc/7.0.4.nix
+++ b/pkgs/development/compilers/ghc/7.0.4.nix
@@ -49,7 +49,7 @@ stdenv.mkDerivation rec {
     targetPrefix = "";
 
     # Our Cabal compiler name
-    haskellCompilerName = "ghc";
+    haskellCompilerName = "ghc-7.0.4";
   };
 
   meta = {
diff --git a/pkgs/development/compilers/ghc/7.10.3.nix b/pkgs/development/compilers/ghc/7.10.3.nix
index c4780690f678..e4bf23c6e9e2 100644
--- a/pkgs/development/compilers/ghc/7.10.3.nix
+++ b/pkgs/development/compilers/ghc/7.10.3.nix
@@ -171,7 +171,7 @@ stdenv.mkDerivation rec {
     inherit llvmPackages;
 
     # Our Cabal compiler name
-    haskellCompilerName = "ghc";
+    haskellCompilerName = "ghc-7.10.3";
   };
 
   meta = {
diff --git a/pkgs/development/compilers/ghc/7.4.2-binary.nix b/pkgs/development/compilers/ghc/7.4.2-binary.nix
index 4f00ef8fb751..988392e74b9e 100644
--- a/pkgs/development/compilers/ghc/7.4.2-binary.nix
+++ b/pkgs/development/compilers/ghc/7.4.2-binary.nix
@@ -140,7 +140,7 @@ stdenv.mkDerivation rec {
     targetPrefix = "";
 
     # Our Cabal compiler name
-    haskellCompilerName = "ghc";
+    haskellCompilerName = "ghc-7.4.2";
   };
 
   meta.license = stdenv.lib.licenses.bsd3;
diff --git a/pkgs/development/compilers/ghc/7.4.2.nix b/pkgs/development/compilers/ghc/7.4.2.nix
index 7f636284c68d..86925c406cfc 100644
--- a/pkgs/development/compilers/ghc/7.4.2.nix
+++ b/pkgs/development/compilers/ghc/7.4.2.nix
@@ -60,7 +60,7 @@ stdenv.mkDerivation rec {
     targetPrefix = "";
 
     # Our Cabal compiler name
-    haskellCompilerName = "ghc";
+    haskellCompilerName = "ghc-7.4.2";
   };
 
   meta = {
diff --git a/pkgs/development/compilers/ghc/7.6.3.nix b/pkgs/development/compilers/ghc/7.6.3.nix
index 481b8d90918c..982008563a06 100644
--- a/pkgs/development/compilers/ghc/7.6.3.nix
+++ b/pkgs/development/compilers/ghc/7.6.3.nix
@@ -86,7 +86,7 @@ in stdenv.mkDerivation rec {
     targetPrefix = "";
 
     # Our Cabal compiler name
-    haskellCompilerName = "ghc";
+    haskellCompilerName = "ghc-7.6.3";
   };
 
   meta = {
diff --git a/pkgs/development/compilers/ghc/7.8.4.nix b/pkgs/development/compilers/ghc/7.8.4.nix
index 15f105946f51..47fc090c1ff1 100644
--- a/pkgs/development/compilers/ghc/7.8.4.nix
+++ b/pkgs/development/compilers/ghc/7.8.4.nix
@@ -78,7 +78,7 @@ stdenv.mkDerivation rec {
     targetPrefix = "";
 
     # Our Cabal compiler name
-    haskellCompilerName = "ghc";
+    haskellCompilerName = "ghc-7.8.4";
   };
 
   meta = {
diff --git a/pkgs/development/compilers/ghc/8.0.2.nix b/pkgs/development/compilers/ghc/8.0.2.nix
index 011822994ed3..7d11ffb66c60 100644
--- a/pkgs/development/compilers/ghc/8.0.2.nix
+++ b/pkgs/development/compilers/ghc/8.0.2.nix
@@ -172,7 +172,7 @@ stdenv.mkDerivation rec {
     inherit llvmPackages;
 
     # Our Cabal compiler name
-    haskellCompilerName = "ghc";
+    haskellCompilerName = "ghc-8.0.2";
   };
 
   meta = {
diff --git a/pkgs/development/compilers/ghc/8.2.2.nix b/pkgs/development/compilers/ghc/8.2.2.nix
index f4aa2de3241e..1c3f260da1c1 100644
--- a/pkgs/development/compilers/ghc/8.2.2.nix
+++ b/pkgs/development/compilers/ghc/8.2.2.nix
@@ -191,7 +191,7 @@ stdenv.mkDerivation rec {
     inherit llvmPackages;
 
     # Our Cabal compiler name
-    haskellCompilerName = "ghc";
+    haskellCompilerName = "ghc-8.2.2";
   };
 
   meta = {
diff --git a/pkgs/development/compilers/ghc/8.4.1.nix b/pkgs/development/compilers/ghc/8.4.1.nix
index 930aefc9e12c..8f7cdc9568e4 100644
--- a/pkgs/development/compilers/ghc/8.4.1.nix
+++ b/pkgs/development/compilers/ghc/8.4.1.nix
@@ -190,7 +190,7 @@ stdenv.mkDerivation rec {
     inherit llvmPackages;
 
     # Our Cabal compiler name
-    haskellCompilerName = "ghc";
+    haskellCompilerName = "ghc-8.4.1";
   };
 
   meta = {
diff --git a/pkgs/development/compilers/ghc/head.nix b/pkgs/development/compilers/ghc/head.nix
index 82cef10ce3be..bc3ccbdcdf51 100644
--- a/pkgs/development/compilers/ghc/head.nix
+++ b/pkgs/development/compilers/ghc/head.nix
@@ -180,7 +180,7 @@ stdenv.mkDerivation rec {
     inherit llvmPackages;
 
     # Our Cabal compiler name
-    haskellCompilerName = "ghc";
+    haskellCompilerName = "ghc-8.5";
   };
 
   meta = {