diff --git a/eo/doc/eo.cfg.cmake b/eo/doc/eo.cfg.cmake
index 7df27ca5..c60a0005 100644
--- a/eo/doc/eo.cfg.cmake
+++ b/eo/doc/eo.cfg.cmake
@@ -957,7 +957,7 @@ TAGFILES               =
 # When a file name is specified after GENERATE_TAGFILE, doxygen will create 
 # a tag file that is based on the input files it reads.
 
-GENERATE_TAGFILE       = eo.doxytag
+GENERATE_TAGFILE       = @CMAKE_BINARY_DIR@/doc/eo.doxytag
 
 # If the ALLEXTERNALS tag is set to YES all external classes will be listed 
 # in the class index. If set to NO only the inherited external classes