diff --git a/.github/workflows/dotnet.yml b/.github/workflows/dotnet.yml
index eb52e8be..926202ef 100644
--- a/.github/workflows/dotnet.yml
+++ b/.github/workflows/dotnet.yml
@@ -19,7 +19,7 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@v4
       with:
-        dotnet-version: 8.0.x
+        dotnet-version: 9.0.x
     - name: Restore dependencies
       run: dotnet restore
     - name: Build
diff --git a/Jube.Data/Reporting/Postgres.cs b/Jube.Data/Reporting/Postgres.cs
index 8d39407c..3fc3c15f 100644
--- a/Jube.Data/Reporting/Postgres.cs
+++ b/Jube.Data/Reporting/Postgres.cs
@@ -84,12 +84,17 @@ public async Task PrepareAsync(string sql, List<object> parameters)
             {
                 await connection.OpenAsync();
 
-                var command = new NpgsqlCommand(sql);
+                var command = new NpgsqlCommand();
                 command.Connection = connection;
 
                 for (var i = 0; i < parameters.Count; i++)
-                    command.Parameters.AddWithValue("@" + (i + 1), parameters[i]);
+                {
+                    var paramName = "@param" + (i + 1);
+                    sql = sql.Replace("@" + (i + 1), paramName);
+                    command.Parameters.AddWithValue(paramName, parameters[i]);
+                }
 
+                command.CommandText = sql;
                 await command.PrepareAsync();
             }
             catch