diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7d096cfc..c93212c9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -65,7 +65,7 @@ if (BUILDDOC)
   find_package (Doxygen)
   if (DOXYGEN_FOUND)
     configure_file (${CMAKE_CURRENT_SOURCE_DIR}/doxy/Doxyfile.in ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile @ONLY)
-    file(GLOB PNG_FILES RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}/docs docs/*.png)
+    file(GLOB PNG_FILES RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}/docs docs/icons/*.png)
     foreach(PNG_FILE ${PNG_FILES})
       configure_file(${CMAKE_CURRENT_SOURCE_DIR}/docs/${PNG_FILE} ${CMAKE_CURRENT_BINARY_DIR}/html/docs/${PNG_FILE} COPYONLY)
     endforeach()