diff --git a/meta/recipes-devtools/tcltk/tcl/run-ptest b/meta/recipes-devtools/tcltk/tcl/run-ptest
index 8a9f611b0f..0842ca320d 100644
--- a/meta/recipes-devtools/tcltk/tcl/run-ptest
+++ b/meta/recipes-devtools/tcltk/tcl/run-ptest
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-export TCL_LIBRARY=/usr/lib/tcl/ptest/library
+export TCL_LIBRARY=/usr/lib64/tcl/ptest/library
 export ERROR_ON_FAILURES=1
 export LANG=en-US.UTF-8