diff --git a/src/PIL/features.py b/src/PIL/features.py
index 7ae0900da..6530038b7 100644
--- a/src/PIL/features.py
+++ b/src/PIL/features.py
@@ -52,7 +52,7 @@ features = {
     "webp_mux": ("PIL._webp", 'HAVE_WEBPMUX'),
     "transp_webp": ("PIL._webp", "HAVE_TRANSPARENCY"),
     "raqm": ("PIL._imagingft", "HAVE_RAQM"),
-    "libjpegturbo": ("PIL._imaging", "HAVE_LIBJPEGTURBO"),
+    "libjpeg_turbo": ("PIL._imaging", "HAVE_LIBJPEGTURBO"),
 }