diff --git a/autoconf_share/doxygen.cfg b/autoconf_share/doxygen.cfg
index ab1e9089f7ee91be0bc3496c91a698121f9d8858..069624b1b5e090dbb66ad42c37a2437745cb4d13 100644
--- a/autoconf_share/doxygen.cfg
+++ b/autoconf_share/doxygen.cfg
@@ -11,7 +11,7 @@ WARNINGS                = YES
 FILE_PATTERNS           = *.h *.idl *.dox
 RECURSIVE               = YES
 EXCLUDE_SYMLINKS        = YES
-EXCLUDE_PATTERNS        = */build/* */demo/* */test/*
+EXCLUDE_PATTERNS        = */build/* */demo/* */test/* */installed/*
 FILTER_SOURCE_FILES     = YES
 SOURCE_BROWSER          = YES
 REFERENCED_BY_RELATION  = YES