diff --git a/doc/doxygen/core-doc.cfg.in b/doc/doxygen/core-doc.cfg.in
index 131f33f79931501987a170549fb614ea54ce82c3..71a7dd7e321cd4b63fa480e5097dd42afda21fea 100644
--- a/doc/doxygen/core-doc.cfg.in
+++ b/doc/doxygen/core-doc.cfg.in
@@ -25,13 +25,13 @@ DOXYFILE_ENCODING      = UTF-8
 # The PROJECT_NAME tag is a single word (or a sequence of words surrounded
 # by quotes) that should identify the project.
 
-PROJECT_NAME           = "Ring Daemon"
+PROJECT_NAME           = @PROJECT_NAME@
 
 # The PROJECT_NUMBER tag can be used to enter a project or revision number.
 # This could be handy for archiving the generated documentation or
 # if some version control system is used.
 
-PROJECT_NUMBER         = 7.1.0
+PROJECT_NUMBER         = @PACKAGE_VERSION@
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer
@@ -610,7 +610,7 @@ WARN_LOGFILE           =
 # directories like "/usr/src/myproject". Separate the files or directories
 # with spaces.
 
-INPUT                  = ../../src
+INPUT                  = @top_srcdir@
 
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding, which is