diff --git a/code/fgame/entity.cpp b/code/fgame/entity.cpp
index 359c9097..a01e2099 100644
--- a/code/fgame/entity.cpp
+++ b/code/fgame/entity.cpp
@@ -7153,6 +7153,11 @@ qboolean Entity::BlocksAIMovement
 	return true;
 }
 
+bool Entity::BlocksAIMovement()
+{
+	return true;
+}
+
 qboolean Entity::AIDontFace
 	(
 	void
diff --git a/code/fgame/entity.h b/code/fgame/entity.h
index 46d377af..c1332ec8 100644
--- a/code/fgame/entity.h
+++ b/code/fgame/entity.h
@@ -599,6 +599,7 @@ public:
 	void Archive( Archiver &arc ) override;
 	virtual bool AutoArchiveModel( void );
 	virtual void PathnodeClaimRevoked( class PathNode *node );
+	virtual bool BlocksAIMovement();
 	virtual qboolean	BlocksAIMovement( void ) const;
 	virtual qboolean	AIDontFace( void ) const;