diff --git a/scripts/build.lib.c/build.install-lib b/scripts/build.lib.c/build.install-lib
index b9b7169..bc50b4d 100644
--- a/scripts/build.lib.c/build.install-lib
+++ b/scripts/build.lib.c/build.install-lib
@@ -7,6 +7,7 @@ build_dir_tree "${INCLUDEDIR}" || return 1
 
 # install library
 echo "Installing libraries into '${LIBDIR}'"
+source src/@NAME@/soversion
 install_file ${@CNAME@} ${LIBDIR} 0755 || return 1
 BASE="${@CNAME@_BASE}.so"
 MAJOR="${BASE}.${SOMAJOR}"