diff --git a/example/Makefile b/example/Makefile
index 7a7fe8b..8d8e4c0 100644
--- a/example/Makefile
+++ b/example/Makefile
@@ -6,7 +6,7 @@ endif
 
 # make sure the the OF_ROOT location is defined
 ifndef OF_ROOT
-    OF_ROOT=../../..
+    OF_ROOT=$(realpath ../../..)
 endif
 
 # call the project makefile!