diff --git a/code/renderergl1/tr_animation.c b/code/renderergl1/tr_animation.c
index 7bcc5bdf..b01cf813 100644
--- a/code/renderergl1/tr_animation.c
+++ b/code/renderergl1/tr_animation.c
@@ -346,7 +346,7 @@ void RB_MDRSurfaceAnim( mdrSurface_t *surface )
 	oldFrame = (mdrFrame_t *)((byte *)header + header->ofsFrames +
 		backEnd.currentEntity->e.oldframe * frameSize );
 
-	RB_CheckOverflow( surface->numVerts, surface->numTriangles );
+	RB_CHECKOVERFLOW( surface->numVerts, surface->numTriangles * 3 );
 
 	triangles	= (int *) ((byte *)surface + surface->ofsTriangles);
 	indexes		= surface->numTriangles * 3;
diff --git a/code/renderergl2/tr_animation.c b/code/renderergl2/tr_animation.c
index 74226752..53e5ee99 100644
--- a/code/renderergl2/tr_animation.c
+++ b/code/renderergl2/tr_animation.c
@@ -350,7 +350,7 @@ void RB_MDRSurfaceAnim( mdrSurface_t *surface )
 	oldFrame = (mdrFrame_t *)((byte *)header + header->ofsFrames +
 		backEnd.currentEntity->e.oldframe * frameSize );
 
-	RB_CheckOverflow( surface->numVerts, surface->numTriangles );
+	RB_CHECKOVERFLOW( surface->numVerts, surface->numTriangles * 3 );
 
 	triangles	= (int *) ((byte *)surface + surface->ofsTriangles);
 	indexes		= surface->numTriangles * 3;