diff --git a/src/common.cc b/src/common.cc
index cc38a8da..ce414bb2 100644
--- a/src/common.cc
+++ b/src/common.cc
@@ -213,6 +213,8 @@ namespace sharp {
     { "VipsForeignLoadTiffBuffer", ImageType::TIFF },
     { "VipsForeignLoadGifFile", ImageType::GIF },
     { "VipsForeignLoadGifBuffer", ImageType::GIF },
+    { "VipsForeignLoadNsgifFile", ImageType::GIF },
+    { "VipsForeignLoadNsgifBuffer", ImageType::GIF },
     { "VipsForeignLoadSvgFile", ImageType::SVG },
     { "VipsForeignLoadSvgBuffer", ImageType::SVG },
     { "VipsForeignLoadHeifFile", ImageType::HEIF },