diff --git a/pkgs/by-name/ar/artalk/package.nix b/pkgs/by-name/ar/artalk/package.nix
index 63edf4852b5a..a6121762400c 100644
--- a/pkgs/by-name/ar/artalk/package.nix
+++ b/pkgs/by-name/ar/artalk/package.nix
@@ -31,11 +31,18 @@ buildGoModule rec {
     "-X github.com/ArtalkJS/Artalk/internal/config.Version=${version}"
     "-X github.com/ArtalkJS/Artalk/internal/config.CommitHash=${version}"
   ];
+
   preBuild = ''
     tar -xzf ${web}
     cp -r ./artalk_ui/* ./public
   '';
 
+  postInstall = ''
+    # work around case insensitive file systems
+    mv $out/bin/Artalk $out/bin/artalk.tmp
+    mv $out/bin/artalk.tmp $out/bin/artalk
+  '';
+
   passthru.tests = {
     version = testers.testVersion { package = artalk; };
   };
@@ -45,6 +52,6 @@ buildGoModule rec {
     homepage = "https://github.com/ArtalkJS/Artalk";
     license = licenses.mit;
     maintainers = with maintainers; [ moraxyc ];
-    mainProgram = "Artalk";
+    mainProgram = "artalk";
   };
 }