diff --git a/slides/tutorials.md b/slides/tutorials.md
index 9ecdbb0..a7ffde8 100644
--- a/slides/tutorials.md
+++ b/slides/tutorials.md
@@ -394,7 +394,7 @@ Since Graph is a _sink_ let's create a graph from a set of events generated by a
 - A few graph file formats can handle dynamic.
 - GraphStream provides a file format (DGS) that allows to store and load dynamic graphs.
 
-![A graph from a file](img/pipeline.svg)
+![A graph from a file](/img/pipeline.svg)
 
 ---
 
@@ -480,7 +480,7 @@ while( source.nextEvents() );
 source.end();
 ```
 
-![FileSource Pipeline](img/pipeline.svg)
+![FileSource Pipeline](/img/pipeline.svg)
 
 
 ---