diff --git a/news/85.feature b/news/85.feature
new file mode 100644
index 0000000..fc77f79
--- /dev/null
+++ b/news/85.feature
@@ -0,0 +1 @@
+Keep scaled WEBP images in WEBP format instead of converting to JPEG. @mamico
diff --git a/plone/scale/scale.py b/plone/scale/scale.py
index 77f2592..01ba778 100644
--- a/plone/scale/scale.py
+++ b/plone/scale/scale.py
@@ -67,8 +67,8 @@ def scaleImage(
     The `width`, `height`, `mode` parameters will be passed to
     :meth:`scalePILImage`, which performs the actual scaling.
 
-    The generated image is a JPEG image, unless the original is a PNG or GIF
-    image. This is needed to make sure alpha channel information is
+    The generated image is a JPEG image, unless the original is a WEBP, PNG
+    or GIF image. This is needed to make sure alpha channel information is
     not lost, which JPEG does not support.
     """
     if isinstance(image, (bytes, str)):
@@ -112,8 +112,8 @@ def scaleImage(
 
         else:
             # All other formats only process a single frame
-            if format_ not in ("PNG", "GIF"):
-                # Always generate JPEG, except if format is PNG or GIF.
+            if format_ not in ("PNG", "GIF", "WEBP"):
+                # Always generate JPEG, except if format is WEBP, PNG or GIF.
                 format_ = "JPEG"
             image, format_ = scaleSingleFrame(
                 img,
diff --git a/plone/scale/tests/data/profile.webp b/plone/scale/tests/data/profile.webp
new file mode 100644
index 0000000..2d0b9b0
Binary files /dev/null and b/plone/scale/tests/data/profile.webp differ
diff --git a/plone/scale/tests/test_scale.py b/plone/scale/tests/test_scale.py
index 1f75d48..58baed9 100644
--- a/plone/scale/tests/test_scale.py
+++ b/plone/scale/tests/test_scale.py
@@ -22,6 +22,8 @@
     CMYK = fio.read()
 with open(os.path.join(TEST_DATA_LOCATION, "profile.jpg"), "rb") as fio:
     PROFILE = fio.read()
+with open(os.path.join(TEST_DATA_LOCATION, "profile.webp"), "rb") as fio:
+    PROFILE_WEBP = fio.read()
 with open(os.path.join(TEST_DATA_LOCATION, "animated.gif"), "rb") as fio:
     ANIGIF = fio.read()
 with open(os.path.join(TEST_DATA_LOCATION, "animated2.gif"), "rb") as fio:
@@ -90,6 +92,15 @@ def testScaleWithFewColorsStaysColored(self):
         self.assertEqual(image.mode, "RGB")
         self.assertEqual(image.format, "JPEG")
 
+    def testScaledWebp(self):
+        (imagedata, format, size) = scaleImage(PROFILE_WEBP, 120, 120)
+        self.assertEqual(format, "WEBP")
+        self.assertEqual(size, (120, 120))
+        self.assertTrue(len(imagedata) < len(PROFILE_WEBP))
+        input = StringIO(imagedata)
+        image = PIL.Image.open(input)
+        self.assertIsNotNone(image.info.get("icc_profile"))
+
     def testAutomaticGreyscale(self):
         src = PIL.Image.new("RGB", (256, 256), (255, 255, 255))
         draw = PIL.ImageDraw.Draw(src)