diff --git a/radiantcore/brush/BrushModule.cpp b/radiantcore/brush/BrushModule.cpp
index 713f35575b..105870c473 100644
--- a/radiantcore/brush/BrushModule.cpp
+++ b/radiantcore/brush/BrushModule.cpp
@@ -11,6 +11,7 @@
 #include "brush/BrushClipPlane.h"
 #include "brush/BrushVisit.h"
 #include "gamelib.h"
+#include "selectionlib.h"
 
 #include "registry/registry.h"
 #include "ipreferencesystem.h"
@@ -145,8 +146,11 @@ void BrushModuleImpl::registerBrushCommands()
 	GlobalCommandSystem().addCommand("BrushMakeSided", selection::algorithm::brushMakeSided, { cmd::ARGTYPE_INT });
 
 	GlobalCommandSystem().addCommand("TextureNatural", selection::algorithm::naturalTexture);
-	GlobalCommandSystem().addCommand("MakeVisportal", selection::algorithm::makeVisportal);
-	GlobalCommandSystem().addCommand("SurroundWithMonsterclip", selection::algorithm::surroundWithMonsterclip);
+    GlobalCommandSystem().addWithCheck(
+        "MakeVisportal", [](const cmd::ArgumentList&) { selection::algorithm::makeVisportal(); },
+        selection::pred::haveSelectedBrush
+    );
+    GlobalCommandSystem().addCommand("SurroundWithMonsterclip", selection::algorithm::surroundWithMonsterclip);
 
 	GlobalCommandSystem().addCommand("ResizeSelectedBrushesToBounds", selection::algorithm::resizeSelectedBrushesToBounds,
 		{ cmd::ARGTYPE_VECTOR3, cmd::ARGTYPE_VECTOR3, cmd::ARGTYPE_STRING });
diff --git a/radiantcore/selection/algorithm/Primitives.cpp b/radiantcore/selection/algorithm/Primitives.cpp
index cbf3f975ca..f033568961 100644
--- a/radiantcore/selection/algorithm/Primitives.cpp
+++ b/radiantcore/selection/algorithm/Primitives.cpp
@@ -379,7 +379,7 @@ void createDecalsForSelectedFaces(const cmd::ArgumentList& args)
 	}
 }
 
-void makeVisportal(const cmd::ArgumentList& args)
+void makeVisportal()
 {
 	BrushPtrVector brushes = getSelectedBrushes();
 
diff --git a/radiantcore/selection/algorithm/Primitives.h b/radiantcore/selection/algorithm/Primitives.h
index 8188c05876..9002bc893e 100644
--- a/radiantcore/selection/algorithm/Primitives.h
+++ b/radiantcore/selection/algorithm/Primitives.h
@@ -86,7 +86,7 @@ namespace selection {
 	/**
 	 * greebo: Applies the visportal/nodraw texture combo to the selected brushes.
 	 */
-	void makeVisportal(const cmd::ArgumentList& args);
+	void makeVisportal();
 
 	/**
 	 * greebo: Surrounds the current model selection with a monsterclip brush.