diff --git a/releng/build-scripts/build/otdt_prerequisites-hipp.sh b/releng/build-scripts/build/otdt_prerequisites-hipp.sh
index 7742dc3..4513175 100644
--- a/releng/build-scripts/build/otdt_prerequisites-hipp.sh
+++ b/releng/build-scripts/build/otdt_prerequisites-hipp.sh
@@ -58,7 +58,7 @@
 # -- Boot:
 # used only locally (components of the ECLIPSE_BOOT_TGZ path):
 EVERSION="4.11"
-DROP="R-4.11-201903070500"
+DROP=${DROPS4}/"R-4.11-201903070500"
 
 # EXPORT: archive file of the boot eclipse SDK build:
 ECLIPSE_BOOT_TGZ=${DROP}/eclipse-SDK-${EVERSION}-linux-gtk-${ARCH}.tar.gz