diff --git a/docs/user/Doxyfile b/docs/user/Doxyfile
index 69f5c7c050..3681a59e82 100644
--- a/docs/user/Doxyfile
+++ b/docs/user/Doxyfile
@@ -431,7 +431,7 @@ SORT_BRIEF_DOCS        = YES
 # This tag will be ignored for brief docs if SORT_BRIEF_DOCS is set to NO
 # and ignored for detailed docs if SORT_MEMBER_DOCS is set to NO.
 
-SORT_MEMBERS_CTORS_1ST = NO
+SORT_MEMBERS_CTORS_1ST = YES
 
 # If the SORT_GROUP_NAMES tag is set to YES then doxygen will sort the
 # hierarchy of group names into alphabetical order. If set to NO (the default)