diff --git a/pkgs/by-name/cs/csharprepl/package.nix b/pkgs/by-name/cs/csharprepl/package.nix
index 1279ccec03e8..22a538c6e74b 100644
--- a/pkgs/by-name/cs/csharprepl/package.nix
+++ b/pkgs/by-name/cs/csharprepl/package.nix
@@ -10,7 +10,8 @@ buildDotnetGlobalTool {
   version = "0.6.6";
 
   dotnet-sdk = dotnetCorePackages.sdk_8_0;
-  dotnet-runtime = dotnetCorePackages.runtime_8_0;
+  # We're using an SDK here because it's a REPL, and it requires an SDK instaed of a runtime
+  dotnet-runtime = dotnetCorePackages.sdk_8_0;
 
   nugetHash = "sha256-VkZGnfD8p6oAJ7i9tlfwJfmKfZBHJU7Wdq+K4YjPoRs=";