diff --git a/doc/doxygen/riot.doxyfile b/doc/doxygen/riot.doxyfile
index 45529a7305..4e811ff167 100644
--- a/doc/doxygen/riot.doxyfile
+++ b/doc/doxygen/riot.doxyfile
@@ -2302,7 +2302,7 @@ DIRECTORY_GRAPH        = NO
 # The default value is: png.
 # This tag requires that the tag HAVE_DOT is set to YES.
 
-DOT_IMAGE_FORMAT       = png
+DOT_IMAGE_FORMAT       = svg
 
 # If DOT_IMAGE_FORMAT is set to svg, then this option can be set to YES to
 # enable generation of interactive SVG images that allow zooming and panning.