diff --git a/doxygen/doxyfile_iface.in b/doxygen/doxyfile_iface.in
index d8eddfa..0ef7626 100644
--- a/doxygen/doxyfile_iface.in
+++ b/doxygen/doxyfile_iface.in
@@ -829,7 +829,7 @@ WARN_LOGFILE           =
 # spaces. See also FILE_PATTERNS and EXTENSION_MAPPING
 # Note: If this tag is empty the current directory is searched.
 
-INPUT                  = @MAINPAGE@ @CPPSDK_INTERFACE_DIR@ "@CuvisCpp_INCLUDE_DIR@" @CPPSDK_AUX_DIR@
+INPUT                  = @MAINPAGE@ @CPPSDK_INTERFACE_DIR@ "@CuvisCpp_INCLUDE_DIR@/cuvis.h" @CPPSDK_AUX_DIR@
 
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses