diff --git a/Plugins/ScriptingTcl/ScriptingTcl.pro b/Plugins/ScriptingTcl/ScriptingTcl.pro
index 7197a11..98df34d 100644
--- a/Plugins/ScriptingTcl/ScriptingTcl.pro
+++ b/Plugins/ScriptingTcl/ScriptingTcl.pro
@@ -35,7 +35,7 @@ linux: {
 
     # Find tclConfig.sh
     TCL_CONFIG_DIR = $$system(echo "puts [info library]" | tclsh)
-    TCL_CONFIG = $$TCL_CONFIG_DIR/tclConfig.sh
+    TCL_CONFIG = $$TCL_CONFIG_DIR/../tclConfig.sh
     message("Looking for $$TCL_CONFIG")
     !exists($$TCL_CONFIG) {
 	# Debian case