diff --git a/Content.Server/Construction/ConstructionSystem.cs b/Content.Server/Construction/ConstructionSystem.cs
index 9da63b4765..12b708bb8a 100644
--- a/Content.Server/Construction/ConstructionSystem.cs
+++ b/Content.Server/Construction/ConstructionSystem.cs
@@ -395,6 +395,7 @@ namespace Content.Server.Construction
 
         private async void HandleStartStructureConstruction(TryStartStructureConstructionMessage ev, EntitySessionEventArgs args)
         {
+
             if (!_prototypeManager.TryIndex(ev.PrototypeName, out ConstructionPrototype? constructionPrototype))
             {
                 Logger.Error($"Tried to start construction of invalid recipe '{ev.PrototypeName}'!");
@@ -417,6 +418,12 @@ namespace Content.Server.Construction
                 return;
             }
 
+            if (user.IsInContainer())
+            {
+                user.PopupMessageCursor(Loc.GetString("construction-system-inside-container"));
+                return;
+            }
+
             var startNode = constructionGraph.Nodes[constructionPrototype.StartNode];
             var targetNode = constructionGraph.Nodes[constructionPrototype.TargetNode];
             var pathFind = constructionGraph.Path(startNode.Name, targetNode.Name);
diff --git a/Resources/Locale/en-US/construction/construction-system.ftl b/Resources/Locale/en-US/construction/construction-system.ftl
index aa3dda391c..6ba8ae7813 100644
--- a/Resources/Locale/en-US/construction/construction-system.ftl
+++ b/Resources/Locale/en-US/construction/construction-system.ftl
@@ -2,4 +2,5 @@
 
 construction-system-construct-cannot-start-another-construction = You can't start another construction now!
 construction-system-construct-no-materials = You don't have the materials to build that!
-construction-system-already-building = You are already building that!
\ No newline at end of file
+construction-system-already-building = You are already building that!
+construction-system-inside-container = You can't build while you're there!