diff --git a/Doxyfile b/Doxyfile
index 5fdf5e8..c0c3528 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -780,8 +780,9 @@
 # spaces. See also FILE_PATTERNS and EXTENSION_MAPPING
 # Note: If this tag is empty the current directory is searched.
 
-INPUT                  = libflashprog.c \
-                         libflashprog.h \
+INPUT                  = include/libflashprog.h \
+                         libflashprog.c \
+                         libflashprog/ \
                          flashprog.c \
                          layout.c \
 
@@ -808,7 +809,7 @@
 # *.m, *.markdown, *.md, *.mm, *.dox, *.py, *.pyw, *.f90, *.f95, *.f03, *.f08,
 # *.f, *.for, *.tcl, *.vhd, *.vhdl, *.ucf and *.qsf.
 
-FILE_PATTERNS          =
+FILE_PATTERNS          = *.c
 
 # The RECURSIVE tag can be used to specify whether or not subdirectories should
 # be searched for input files as well.