diff --git a/configure.ac b/configure.ac
index e6dadad..4271cb3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -870,6 +870,7 @@ if test "$app_cv_registry" == "yes"; then
 fi
 
 AC_SUBST(MAJOR_VERSION,"$(echo $PACKAGE_VERSION | cut -d. -f1)")
+AC_SUBST(MINOR_VERSION,"$(echo $PACKAGE_VERSION | cut -d. -f2)")
 AC_SUBST(HOST_CC)
 AC_SUBST(EXEEXT)
 AC_SUBST(DLLPREFIX)
diff --git a/pw3270.spec.in b/pw3270.spec.in
index 9502788..2b3644d 100644
--- a/pw3270.spec.in
+++ b/pw3270.spec.in
@@ -16,8 +16,7 @@
 # Please submit bugfixes or comments via http://bugs.opensuse.org/
 #
 
-%define LIBVERSION %(echo @PACKAGE_VERSION@ | sed -e "s@.@_@g")
-#5_1
+%define LIBVERSION @MAJOR_VERSION@_@MINOR_VERSION@
 
 # 
 # References:
--
libgit2 0.21.2