diff --git a/libvips/deprecated/vips7compat.c b/libvips/deprecated/vips7compat.c
index a3b6d954..993010ef 100644
--- a/libvips/deprecated/vips7compat.c
+++ b/libvips/deprecated/vips7compat.c
@@ -740,7 +740,7 @@ im_wrapmany( IMAGE **in, IMAGE *out, im_wrapmany_fn fn, void *a, void *b )
 		if( vips_image_pio_input( in[i] ) )
 			return( -1 );
 	}
-        vips__demand_hint_array( out, VIPS_DEMAND_STYLE_THINSTRIP, in );
+        vips_image_pipeline_array( out, VIPS_DEMAND_STYLE_THINSTRIP, in );
 
 	/* Generate!
 	 */