diff --git a/packages/dev-lang/ghc-bin/ghc-bin-8.0.2.exheres-0 b/packages/dev-lang/ghc-bin/ghc-bin-8.0.2-r1.exheres-0
similarity index 95%
rename from packages/dev-lang/ghc-bin/ghc-bin-8.0.2.exheres-0
rename to packages/dev-lang/ghc-bin/ghc-bin-8.0.2-r1.exheres-0
index 54639a6c..447a9ee3 100644
--- a/packages/dev-lang/ghc-bin/ghc-bin-8.0.2.exheres-0
+++ b/packages/dev-lang/ghc-bin/ghc-bin-8.0.2-r1.exheres-0
@@ -20,6 +20,10 @@ DEPENDENCIES="
         dev-lang/perl:*[>=5.6.1]
         dev-libs/gmp[>=6.1] [[ note = [ depends on libgmp.so.10 ] ]]
         sys-libs/ncurses[>=6.1-r2] [[ note = [ Only these include libtinfo.so symlinks ] ]]
+        !dev-lang/GHC [[
+            description = [ different provider ]
+            resolution = uninstall-blocked-after
+        ]]
         !dev-lang/ghc [[
             description = [ Both install the same binaries/libs and alternatives ]
             resolution = uninstall-blocked-before
diff --git a/packages/dev-lang/ghc-bin/ghc-bin-8.2.2.exheres-0 b/packages/dev-lang/ghc-bin/ghc-bin-8.2.2-r1.exheres-0
similarity index 95%
rename from packages/dev-lang/ghc-bin/ghc-bin-8.2.2.exheres-0
rename to packages/dev-lang/ghc-bin/ghc-bin-8.2.2-r1.exheres-0
index 1993df3b..cb23c4ac 100644
--- a/packages/dev-lang/ghc-bin/ghc-bin-8.2.2.exheres-0
+++ b/packages/dev-lang/ghc-bin/ghc-bin-8.2.2-r1.exheres-0
@@ -20,6 +20,10 @@ DEPENDENCIES="
         dev-lang/perl:*[>=5.6.1]
         dev-libs/gmp[>=6.1] [[ note = [ depends on libgmp.so.10 ] ]]
         sys-libs/ncurses[>=6.1-r2] [[ note = [ Only these include libtinfo.so symlinks ] ]]
+        !dev-lang/GHC [[
+            description = [ different provider ]
+            resolution = uninstall-blocked-after
+        ]]
         !dev-lang/ghc [[
             description = [ Both install the same binaries/libs and alternatives ]
             resolution = uninstall-blocked-before
diff --git a/packages/dev-lang/ghc-bin/ghc-bin-8.4.3.exheres-0 b/packages/dev-lang/ghc-bin/ghc-bin-8.4.3-r1.exheres-0
similarity index 95%
rename from packages/dev-lang/ghc-bin/ghc-bin-8.4.3.exheres-0
rename to packages/dev-lang/ghc-bin/ghc-bin-8.4.3-r1.exheres-0
index 7cdf3586..a2fd1625 100644
--- a/packages/dev-lang/ghc-bin/ghc-bin-8.4.3.exheres-0
+++ b/packages/dev-lang/ghc-bin/ghc-bin-8.4.3-r1.exheres-0
@@ -20,6 +20,10 @@ DEPENDENCIES="
         dev-lang/perl:*[>=5.6.1]
         dev-libs/gmp[>=6.1] [[ note = [ depends on libgmp.so.10 ] ]]
         sys-libs/ncurses[>=6.1-r2] [[ note = [ Only these include libtinfo.so symlinks ] ]]
+        !dev-lang/GHC [[
+            description = [ different provider ]
+            resolution = uninstall-blocked-after
+        ]]
         !dev-lang/ghc [[
             description = [ Both install the same binaries/libs and alternatives ]
             resolution = uninstall-blocked-before