diff --git a/configure.ac b/configure.ac
index 8da6a826..04355e32 100644
--- a/configure.ac
+++ b/configure.ac
@@ -5,8 +5,9 @@ AC_PREREQ(2.60)
 define([PACKAGE_VERSION_MAJOR], [0])
 define([PACKAGE_VERSION_MINOR], [11])
 define([PACKAGE_VERSION_FIX], [6])
+define([PACKAGE_SUFFIX], [-svn])
 
-AC_INIT([opensc],[PACKAGE_VERSION_MAJOR.PACKAGE_VERSION_MINOR.PACKAGE_VERSION_FIX-svn])
+AC_INIT([opensc],[PACKAGE_VERSION_MAJOR.PACKAGE_VERSION_MINOR.PACKAGE_VERSION_FIX[]PACKAGE_SUFFIX])
 AC_CONFIG_AUX_DIR([.])
 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_MACRO_DIR([m4])