diff --git a/cmake/CTAInstallationFunctions.cmake b/cmake/CTAInstallationFunctions.cmake
index 5d55bdf44476211c00b82e1f8bf34a1ad52327b3..95d08004d5df8e760a6be7049ab76e3da751d715 100644
--- a/cmake/CTAInstallationFunctions.cmake
+++ b/cmake/CTAInstallationFunctions.cmake
@@ -150,7 +150,7 @@ function (CTAInstallManPage _name _section)
   install (FILES ${_name}.man
     DESTINATION ${CTA_DEST_MAN_DIR}/man${_section}
     PERMISSIONS ${CTA_MAN_PAGE_PERMS}
-    RENAME ${_name}.${_section}castor)
+    RENAME ${_name}.${_section}cta)
 endfunction ()
 
 function (CTAInstallExeManPage _name)