diff --git a/build.sh b/build.sh
index 28c71c3..a28e460 100755
--- a/build.sh
+++ b/build.sh
@@ -5,7 +5,7 @@ ARCHIE_ROOT="${WORLD_ROOT}/archie"
 PROSPERO_ROOT="${WORLD_ROOT}/prospero"
 BERKDB_ROOT="${WORLD_ROOT}/berkdb"
 TCL_ROOT="${WORLD_ROOT}/tcl7.6"
-TCLDP_ROOT="${WORLD_ROOT}/tcl-dp/unix"
+TCLDP_ROOT="${WORLD_ROOT}/tcl-dp"
 TK_ROOT="${WORLD_ROOT}/tk4.2"
 SOLOS=$(uname -s)
 SOLVER=$(uname -r)
@@ -57,10 +57,10 @@ cd ${WORLD_ROOT}
 
 echo ""
 echo "===================================================================="
-echo " Building ${TCLDP_ROOT}"
+echo " Building ${TCLDP_ROOT}/unix"
 echo "===================================================================="
 echo ""
-cd ${TCLDP_ROOT}
+cd ${TCLDP_ROOT}/unix
 ./configure --prefix=${DISTDIR}
 make install
 cd ${WORLD_ROOT}