diff --git a/Documentation/git-log.txt b/Documentation/git-log.txt
index 5a90f65b5e..1e6dbd93b1 100644
--- a/Documentation/git-log.txt
+++ b/Documentation/git-log.txt
@@ -49,6 +49,7 @@ include::pretty-options.txt[]
 -g, \--walk-reflogs::
 	Show commits as they were recorded in the reflog. The log contains
 	a record about how the tip of a reference was changed.
+	Cannot be combined with --reverse.
 	See also gitlink:git-reflog[1].
 
 --decorate::
diff --git a/Documentation/git-rev-list.txt b/Documentation/git-rev-list.txt
index 1c1978140f..cbbc234549 100644
--- a/Documentation/git-rev-list.txt
+++ b/Documentation/git-rev-list.txt
@@ -298,6 +298,8 @@ used in the output.  When the starting commit is specified as
 'commit@{now}', output also uses 'commit@\{timestamp}' notation
 instead.  Under '\--pretty=oneline', the commit message is
 prefixed with this information on the same line.
++
+Cannot be combined with --reverse.
 
 --merge::
 
@@ -373,6 +375,7 @@ By default, the commits are shown in reverse chronological order.
 --reverse::
 
 	Output the commits in reverse order.
+	Cannot be combined with --walk-reflogs.
 
 Object Traversal
 ~~~~~~~~~~~~~~~~
diff --git a/revision.c b/revision.c
index 7d32a89b0e..51fff0ec50 100644
--- a/revision.c
+++ b/revision.c
@@ -1277,6 +1277,9 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
 		compile_grep_patterns(revs->grep_filter);
 	}
 
+	if (revs->reverse && revs->reflog_info)
+		die("cannot combine --reverse with --walk-reflogs");
+
 	return left;
 }