diff --git a/BUILDING.md b/BUILDING.md
index 4b6644f0c64..5b6d6b6eb4f 100644
--- a/BUILDING.md
+++ b/BUILDING.md
@@ -46,7 +46,7 @@ If you download a different version of those tools, then those versions may not
 
 To verfiy that VTR has been installed correctly run::
 
-    ./vtr_flow/scripts/run_vtr_task.py regression_tests/vtr_reg_basic/basic_timing
+    ./vtr_flow/scripts/run_vtr_task.py ./vtr_flow/tasks/regression_tests/vtr_reg_basic/basic_timing
 
 The expected output is::