diff --git a/scripts/Bootstrap/Modules/build b/scripts/Bootstrap/Modules/build
index 115b214..a22a7e1 100755
--- a/scripts/Bootstrap/Modules/build
+++ b/scripts/Bootstrap/Modules/build
@@ -2,7 +2,7 @@
 #set -o functrace
 source "$(dirname $0)/../../../lib/libem.bash"
 
-TCL_DIR="${PSI_PREFIX}/Tools/Pmodules/0.99.0"
+TCL_DIR="${PSI_PREFIX}/Tools/Pmodules/${PMODULES_VERSION}"
 
 PATH="${TCL_DIR}/bin:${PATH}"