diff --git a/scripts/Modules.build b/scripts/Modules.build
index 9901366..b8ac2df 100755
--- a/scripts/Modules.build
+++ b/scripts/Modules.build
@@ -6,7 +6,7 @@ source "$(dirname $0)/../lib/libem.bash"
 
 function em.configure() {
 	CPPFLAGS="-DUSE_INTERP_ERRORLINE" "${MODULE_SRCDIR}"/configure \
-		--prefix="${EM_BINDIR}/${MODULE_FAMILY}" \
+		--prefix="${EM_PREFIX}/${MODULE_FAMILY}" \
 		--with-module-path="${MODULEPATH_ROOT}" \
 		|| exit 1
 }