diff --git a/include/imodel.h b/include/imodel.h
index 65d88678..2ae1e631 100644
--- a/include/imodel.h
+++ b/include/imodel.h
@@ -77,6 +77,7 @@ virtual ~IRender() { }
 virtual void IncRef() = 0;   // increments the reference counter for this object
 virtual void DecRef() = 0;   // decrements the reference counter for this object, deletes the object if reference count is zero
 virtual void Draw( int state, int rflags ) const = 0; // render the object - state = the opengl state
+virtual const bool IsModelNotNull() const = 0;
 virtual const aabb_t *GetAABB() const = 0;
 };
 
diff --git a/plugins/entity/entity_entitymodel.h b/plugins/entity/entity_entitymodel.h
index 3a4aad31..7858402b 100644
--- a/plugins/entity/entity_entitymodel.h
+++ b/plugins/entity/entity_entitymodel.h
@@ -40,6 +40,7 @@ class CEntityMiscModel : public IRender, public ISelect, public IEdit
 
 	// IRender
 	void Draw( int state, int rflags ) const;
+	const bool IsModelNotNull() const { return m_model && m_model->pRender; }
 	const aabb_t *GetAABB() const { return &m_BBox; }
 
 	// ISelect
@@ -105,6 +106,7 @@ class CEntityEclassModel : public IRender, public ISelect, public IEdit
 
 	// IRender
 	void Draw( int state, int rflags ) const;
+	const bool IsModelNotNull() const { return m_model && m_model->pRender; }
 	const aabb_t *GetAABB() const { return &m_BBox; }
 
 	// ISelect
diff --git a/plugins/model/cpicomodel.h b/plugins/model/cpicomodel.h
index a5556f24..6432eb9d 100644
--- a/plugins/model/cpicomodel.h
+++ b/plugins/model/cpicomodel.h
@@ -66,6 +66,7 @@ void Reload( void );
 void Draw( int state, vector<IShader*> shaders, int rflags ) const;
 //IRender
 virtual void Draw( int state, int rflags ) const;
+virtual const bool IsModelNotNull() const { return true; }
 virtual const aabb_t *GetAABB() const { return &m_BBox; }
 
 //ISelect
diff --git a/plugins/model/remap.cpp b/plugins/model/remap.cpp
index 5e313222..69683eae 100644
--- a/plugins/model/remap.cpp
+++ b/plugins/model/remap.cpp
@@ -141,6 +141,9 @@ virtual void DecRef(){
 virtual void Draw( int state, int rflags ) const {
 	m_model->Draw( state, m_shaders, rflags );
 }
+virtual const bool IsModelNotNull() const {
+	return m_model != NULL;
+}
 virtual const aabb_t *GetAABB() const {
 	return m_model->GetAABB();
 }
@@ -300,6 +303,9 @@ virtual void DecRef(){
 virtual void Draw( int state, int rflags ) const {
 	m_model->Draw( state, rflags );
 }
+virtual const bool IsModelNotNull() const {
+	return m_model != NULL;
+}
 virtual const aabb_t *GetAABB() const {
 	return m_model->GetAABB();
 }
diff --git a/plugins/spritemodel/spritemodel.h b/plugins/spritemodel/spritemodel.h
index d9be5152..34015df5 100644
--- a/plugins/spritemodel/spritemodel.h
+++ b/plugins/spritemodel/spritemodel.h
@@ -45,6 +45,7 @@ void DecRef() {
 
 //IRender
 void Draw( int state, int rflags ) const;
+const bool IsModelNotNull() const { return true; }
 const aabb_t *GetAABB() const { return &m_BBox; }
 
 //ISelect
diff --git a/radiant/brush.cpp b/radiant/brush.cpp
index 310dfe2b..7b3aee65 100644
--- a/radiant/brush.cpp
+++ b/radiant/brush.cpp
@@ -2222,7 +2222,8 @@ face_t *Brush_Ray( vec3_t origin, vec3_t dir, brush_t *b, float *dist, int nFlag
 	if ( b->owner->eclass->fixedsize
 		 && b->owner->model.pSelect
 		 && !( !IsBrushSelected( b ) && ( g_PrefsDlg.m_nEntityShowState & ENTITY_SELECTED_ONLY ) )
-		 && g_PrefsDlg.m_nEntityShowState != ENTITY_BOX ) {
+		 && g_PrefsDlg.m_nEntityShowState != ENTITY_BOX
+		 && b->owner->model.pRender->IsModelNotNull() ) {
 		ray_t ray_local;
 		vec_t dist_local = FLT_MAX;
 		ray_construct_for_vec3( &ray_local, origin, dir );
@@ -2259,8 +2260,7 @@ face_t *Brush_Ray( vec3_t origin, vec3_t dir, brush_t *b, float *dist, int nFlag
 			for ( i = 0 ; i < 3 ; i++ )
 				p1[i] = p1[i] + frac * ( p2[i] - p1[i] );
 		}
-		else
-		{
+		else {
 			for ( i = 0 ; i < 3 ; i++ )
 				p2[i] = p1[i] + frac * ( p2[i] - p1[i] );
 		}
@@ -2640,8 +2640,9 @@ void Brush_SelectFaceForDragging( brush_t *b, face_t *f, qboolean shear ){
 		// leave it alone
 		//
 		if ( i != w->numpoints ) {
-			if ( i == 0 ) { // see if the first clockwise point was the
-				           // last point on the winding
+			// see if the first clockwise point was the
+			// last point on the winding
+			if ( i == 0 ) {
 				d = DotProduct( w->points[w->numpoints - 1]
 								, f->plane.normal ) - f->plane.dist;
 				if ( d > -ON_EPSILON && d < ON_EPSILON ) {
diff --git a/radiant/camwindow.cpp b/radiant/camwindow.cpp
index f5e8a63c..33bbfbf4 100644
--- a/radiant/camwindow.cpp
+++ b/radiant/camwindow.cpp
@@ -925,12 +925,24 @@ void CamWnd::Cam_DrawBrush( brush_t *b, int mode ){
 				if ( !( nGLState & DRAW_GL_TEXTURE_2D ) ) {
 					qglColor4fv( material );
 				}
-				else{ qglColor4fv( identity ); }
+				else { 
+					qglColor4fv( identity );
+				}
+
 				if ( nGLState & DRAW_GL_LIGHTING ) {
 					qglShadeModel( GL_SMOOTH );
 				}
 
-				b->owner->model.pRender->Draw( nGLState, DRAW_RF_CAM );
+				// Check model validity
+				// If the model is NULL or invalid, draw a box instead
+				bool isModelValid = b->owner->model.pRender->IsModelNotNull();
+				if ( isModelValid ) {
+					b->owner->model.pRender->Draw( nGLState, DRAW_RF_CAM );
+				}
+				else {
+					qglColor4fv( material );
+					aabb_draw( b->owner->model.pRender->GetAABB(), DRAW_GL_WIRE );
+				}
 			}
 			break;
 		case DRAW_WIRE: