diff --git a/doc/Doxyfile.in b/doc/Doxyfile.in
index 17f86aec5e..5b0711a390 100644
--- a/doc/Doxyfile.in
+++ b/doc/Doxyfile.in
@@ -681,7 +681,8 @@ EXCLUDE_SYMBOLS        = eo_cxx::*
 # directories that contain example code fragments that are included (see
 # the \include command).
 
-EXAMPLE_PATH           = @top_srcdir@/src/examples
+EXAMPLE_PATH           = @top_srcdir@/src/examples \
+                         @top_srcdir@/src/tests
 
 # If the value of the EXAMPLE_PATH tag contains directories, you can use the
 # EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp