diff --git a/TODO b/TODO
index 27e0d9fa..7d82264b 100644
--- a/TODO
+++ b/TODO
@@ -1,3 +1,4 @@
+- we suffs on load as well for nip2's file-open dialog
 
 
 
diff --git a/libvips/foreign/openslideload.c b/libvips/foreign/openslideload.c
index 66ec0de5..2c62c8a5 100644
--- a/libvips/foreign/openslideload.c
+++ b/libvips/foreign/openslideload.c
@@ -123,6 +123,15 @@ vips_foreign_load_openslide_error_handler( const char *domain,
 	vips_error( "openslide", "%s", message );
 }
 
+
+static const char *vips_foreign_openslide_suffs[] = {
+	".svs", 	/* Aperio */
+	".vms", ".vmu", ".ndpi",  /* Hamamatsu */
+	".mrxs", 	/* MIRAX */
+	".tif", 	/* Trestle */
+	NULL
+};
+
 static void
 vips_foreign_load_openslide_class_init( VipsForeignLoadOpenslideClass *class )
 {
@@ -142,6 +151,7 @@ vips_foreign_load_openslide_class_init( VipsForeignLoadOpenslideClass *class )
 	 * better handled by the vips tiff loader we are careful to say no.
 	 */
 	foreign_class->priority = 100;
+	foreign_class->suffs = vips_foreign_openslide_suffs;
 
 	load_class->is_a = vips__openslide_isslide;
 	load_class->get_flags = vips_foreign_load_openslide_get_flags;
diff --git a/libvips/foreign/tiff.h b/libvips/foreign/tiff.h
index ab307d30..e4f61401 100644
--- a/libvips/foreign/tiff.h
+++ b/libvips/foreign/tiff.h
@@ -34,6 +34,8 @@
 extern "C" {
 #endif /*__cplusplus*/
 
+extern const char *vips__foreign_tiff_suffs[];
+
 void vips__thandler_error( const char *module, const char *fmt, va_list ap );
 void vips__thandler_warning( const char *module, const char *fmt, va_list ap );
 
diff --git a/libvips/foreign/tiffload.c b/libvips/foreign/tiffload.c
index 7f49ae85..094877fb 100644
--- a/libvips/foreign/tiffload.c
+++ b/libvips/foreign/tiffload.c
@@ -104,7 +104,7 @@ vips_foreign_load_tiff_load( VipsForeignLoad *load )
 	return( 0 );
 }
 
-static const char *tiff_suffs[] = { ".tif", ".tiff", NULL };
+const char *vips__foreign_tiff_suffs[] = { ".tif", ".tiff", NULL };
 
 static void
 vips_foreign_load_tiff_class_init( VipsForeignLoadTiffClass *class )
@@ -120,7 +120,7 @@ vips_foreign_load_tiff_class_init( VipsForeignLoadTiffClass *class )
 	object_class->nickname = "tiffload";
 	object_class->description = _( "load tiff from file" );
 
-	foreign_class->suffs = tiff_suffs;
+	foreign_class->suffs = vips__foreign_tiff_suffs;
 
 	load_class->is_a = vips__istiff;
 	load_class->get_flags = vips_foreign_load_tiff_get_flags;
diff --git a/libvips/foreign/tiffsave.c b/libvips/foreign/tiffsave.c
index c5602a3f..de44c16f 100644
--- a/libvips/foreign/tiffsave.c
+++ b/libvips/foreign/tiffsave.c
@@ -124,8 +124,6 @@ vips_foreign_save_tiff_build( VipsObject *object )
 	return( 0 );
 }
 
-static const char *tiff_suffs[] = { ".tif", ".tiff", NULL };
-
 /* Save a bit of typing.
  */
 #define UC VIPS_FORMAT_UCHAR
@@ -159,7 +157,7 @@ vips_foreign_save_tiff_class_init( VipsForeignSaveTiffClass *class )
 	object_class->description = _( "save image to tiff file" );
 	object_class->build = vips_foreign_save_tiff_build;
 
-	foreign_class->suffs = tiff_suffs;
+	foreign_class->suffs = vips__foreign_tiff_suffs;
 
 	save_class->saveable = VIPS_SAVEABLE_ANY;
 	save_class->format_table = bandfmt_tiff;