diff --git a/src/OFS/Image.py b/src/OFS/Image.py
index 4e933bf661..86e4b2c124 100644
--- a/src/OFS/Image.py
+++ b/src/OFS/Image.py
@@ -843,6 +843,8 @@ def getImageInfo(data):
         except Exception:
             return content_type, width, height
         for svg in xmldoc.getElementsByTagName('svg'):
+            w = width
+            h = height
             content_type = 'image/svg+xml'
             if 'height' in svg.attributes and 'width' in svg.attributes:
                 w = svg.attributes['width'].value
@@ -866,8 +868,8 @@ def getImageInfo(data):
                 viewBox = [int(float(x)) for x in viewBox.split(' ')]
                 w = viewBox[2] - viewBox[0]
                 h = viewBox[3] - viewBox[1]
-        width = int(w)
-        height = int(h)
+            width = int(w)
+            height = int(h)
 
     return content_type, width, height