diff --git a/doc/CMakeLists.txt b/doc/CMakeLists.txt
index a49bdac7..e9509ab2 100644
--- a/doc/CMakeLists.txt
+++ b/doc/CMakeLists.txt
@@ -15,13 +15,8 @@ foreach(name IN LISTS DOC_NAMES)
     list(APPEND DOC_INPUTS "${CMAKE_CURRENT_SOURCE_DIR}/${name}.md")
 endforeach()
 set(DOC_SOURCES)
-foreach(name local server tunnel redir manager utils aead stream)
-    # Modules are moving from C to C++ one at a time.
-    if(EXISTS "${PROJECT_SOURCE_DIR}/src/${name}.cpp")
-        list(APPEND DOC_SOURCES "${PROJECT_SOURCE_DIR}/src/${name}.cpp")
-    else()
-        list(APPEND DOC_SOURCES "${PROJECT_SOURCE_DIR}/src/${name}.c")
-    endif()
+foreach(name local.cpp server.cpp tunnel.cpp redir.cpp manager.cpp utils.cpp crypto/aead.cpp crypto/stream.cpp)
+    list(APPEND DOC_SOURCES "${PROJECT_SOURCE_DIR}/src/${name}")
 endforeach()
 list(APPEND DOC_SOURCES "${PROJECT_SOURCE_DIR}/src/ss-nat")
 
diff --git a/doc/Doxyfile.in b/doc/Doxyfile.in
index 0f4802f8..589bca87 100644
--- a/doc/Doxyfile.in
+++ b/doc/Doxyfile.in
@@ -3,7 +3,7 @@ PROJECT_NUMBER         = "@PROJECT_VERSION@"
 OUTPUT_DIRECTORY       = "@PROJECT_BINARY_DIR@"
 INPUT                  = @DOXYGEN_INPUT@
 INPUT_ENCODING         = UTF-8
-EXAMPLE_PATH           = "@PROJECT_SOURCE_DIR@/src"
+EXAMPLE_PATH           = "@PROJECT_SOURCE_DIR@/src" "@PROJECT_SOURCE_DIR@/src/crypto"
 EXAMPLE_PATTERNS        = *.c ss-nat
 RECURSIVE              = NO
 MARKDOWN_SUPPORT       = YES