diff --git a/Makefile b/Makefile
index 3893a0c..690f8b0 100644
--- a/Makefile
+++ b/Makefile
@@ -74,7 +74,7 @@ open:
 
 # Update Doxygen documentation on file change.
 docs:
-	$(MAKE) WATCHCMD="doxygen -q" watchdog
+	$(MAKE) WATCHCMD="doxygen -q" watchdog |& sed "s:`realpath .`::"
 
 # Update Doxygen documentation on change and show in browser.
 dev-docs: PORT = 8082