--- root-6.06.02.orig/cmake/modules/RootNewMacros.cmake	2016-03-03 10:36:03.000000000 +0100
+++ root-6.06.02/cmake/modules/RootNewMacros.cmake	2016-03-15 18:37:23.252408979 +0100
@@ -39,7 +39,7 @@
 if(soversion)
   set(ROOT_LIBRARY_PROPERTIES ${ROOT_LIBRARY_PROPERTIES}
       VERSION ${ROOT_VERSION}
-      SOVERSION ${ROOT_MAJOR_VERSION}
+      SOVERSION ${ROOT_MAJOR_VERSION}.${ROOT_MINOR_VERSION}
       SUFFIX ${libsuffix}
       PREFIX ${libprefix} )
 else()