diff --git a/Activities/Database/UiPath.Database.Activities/ExecuteNonQuery.cs b/Activities/Database/UiPath.Database.Activities/ExecuteNonQuery.cs
index 76624947d..c98b42d69 100644
--- a/Activities/Database/UiPath.Database.Activities/ExecuteNonQuery.cs
+++ b/Activities/Database/UiPath.Database.Activities/ExecuteNonQuery.cs
@@ -105,7 +105,14 @@ protected async override Task<Action<AsyncCodeActivityContext>> ExecuteInternalA
                     var currentParam = Parameters[param.Key];
                     if (currentParam.Direction == ArgumentDirection.Out || currentParam.Direction == ArgumentDirection.InOut)
                     {
-                        currentParam.Set(asyncCodeActivityContext, param.Value.Value);
+                        if (param.Value.Value != DBNull.Value)
+                        {
+                            currentParam.Set(asyncCodeActivityContext, param.Value.Value);
+                        }
+                        else
+                        {
+                            currentParam.Set(asyncCodeActivityContext, null);
+                        }
                     }
                 }
             };
diff --git a/Activities/Database/UiPath.Database.Activities/ExecuteQuery.cs b/Activities/Database/UiPath.Database.Activities/ExecuteQuery.cs
index 71788efec..5b8b579b8 100644
--- a/Activities/Database/UiPath.Database.Activities/ExecuteQuery.cs
+++ b/Activities/Database/UiPath.Database.Activities/ExecuteQuery.cs
@@ -110,7 +110,14 @@ protected async override Task<Action<AsyncCodeActivityContext>> ExecuteInternalA
                     var currentParam = Parameters[param.Key];
                     if (currentParam.Direction == ArgumentDirection.Out || currentParam.Direction == ArgumentDirection.InOut)
                     {
-                        currentParam.Set(asyncCodeActivityContext, param.Value.Value);
+                        if (param.Value.Value != DBNull.Value)
+                        {
+                            currentParam.Set(asyncCodeActivityContext, param.Value.Value);
+                        }
+                        else
+                        {
+                            currentParam.Set(asyncCodeActivityContext, null);
+                        }
                     }
                 }
             };