diff --git a/Doxyfile b/Doxyfile
index 1db5d293..b9612636 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -1133,7 +1133,7 @@ IMAGE_PATH             =
 # need to set EXTENSION_MAPPING for the extension otherwise the files are not
 # properly processed by doxygen.
 
-INPUT_FILTER           = "sed -e 's/\/\/.*TODO/\/\/\/ \\todo/'"
+INPUT_FILTER           = "sed -e 's/\/\/.*TODO:/\/\/\/ \\todo/'"
 
 # The FILTER_PATTERNS tag can be used to specify filters on a per file pattern
 # basis. Doxygen will compare the file name with each pattern and apply the