diff --git a/docs/documentation/sizing/propulsion_design/software_architecture.md b/docs/documentation/sizing/propulsion_design/software_architecture.md
index 7cad8890a1e856f36bc200fb889dbaac73e31955..7995d60cc6570e0d69f3e9877e3f4b25f74bff5c 100644
--- a/docs/documentation/sizing/propulsion_design/software_architecture.md
+++ b/docs/documentation/sizing/propulsion_design/software_architecture.md
@@ -32,4 +32,4 @@ So, if you want to use different combinations in UNICADO, you need to make sure
 ## Class Diagram {#classdiagram}
 Here is an overview how the module is structured:
 
-![](figure/class_diagram.png){html: width=1000}
+![](figures/class_diagram.png){html: width=1000}