diff --git a/selftest.py b/selftest.py
index 1eb7738e3..1f905b9a7 100644
--- a/selftest.py
+++ b/selftest.py
@@ -193,7 +193,7 @@ if __name__ == "__main__":
     check_module("TKINTER", "PIL._imagingtk")
     check_codec("JPEG", "jpeg")
     check_codec("ZLIB (PNG/ZIP)", "zip")
-    check_codec("G4 TIFF", "group4")
+    check_codec("LIBTIFF", "libtiff")
     check_module("FREETYPE2", "PIL._imagingft")
     check_module("LITTLECMS2", "PIL._imagingcms")
     check_module("WEBP", "PIL._webp")
diff --git a/setup.py b/setup.py
index 1888a9b12..f4b8532de 100644
--- a/setup.py
+++ b/setup.py
@@ -506,7 +506,7 @@ class pil_build_ext(build_ext):
             (feature.tcl and feature.tk, "TKINTER"),
             (feature.jpeg, "JPEG"),
             (feature.zlib, "ZLIB (PNG/ZIP)"),
-            (feature.tiff, "TIFF G3/G4 (experimental)"),
+            (feature.tiff, "LIBTIFF"),
             (feature.freetype, "FREETYPE2"),
             (feature.lcms, "LITTLECMS2"),
             (feature.webp, "WEBP"),