diff --git a/cgit.h b/cgit.h
index a9896cf..f5f68ac 100644
--- a/cgit.h
+++ b/cgit.h
@@ -294,7 +294,8 @@ extern void cgit_diff_tree(const unsigned char *old_sha1,
 			   const unsigned char *new_sha1,
 			   filepair_fn fn, const char *prefix, int ignorews);
 
-extern void cgit_diff_commit(struct commit *commit, filepair_fn fn);
+extern void cgit_diff_commit(struct commit *commit, filepair_fn fn,
+			     const char *prefix);
 
 __attribute__((format (printf,1,2)))
 extern char *fmt(const char *format,...);
diff --git a/shared.c b/shared.c
index 72ac140..765cd27 100644
--- a/shared.c
+++ b/shared.c
@@ -338,13 +338,13 @@ void cgit_diff_tree(const unsigned char *old_sha1,
 	diff_flush(&opt);
 }
 
-void cgit_diff_commit(struct commit *commit, filepair_fn fn)
+void cgit_diff_commit(struct commit *commit, filepair_fn fn, const char *prefix)
 {
 	unsigned char *old_sha1 = NULL;
 
 	if (commit->parents)
 		old_sha1 = commit->parents->item->object.sha1;
-	cgit_diff_tree(old_sha1, commit->object.sha1, fn, NULL,
+	cgit_diff_tree(old_sha1, commit->object.sha1, fn, prefix,
 		       ctx.qry.ignorews);
 }
 
diff --git a/ui-log.c b/ui-log.c
index 41b5225..bc0c02c 100644
--- a/ui-log.c
+++ b/ui-log.c
@@ -101,7 +101,7 @@ void print_commit(struct commit *commit)
 		files = 0;
 		add_lines = 0;
 		rem_lines = 0;
-		cgit_diff_commit(commit, inspect_files);
+		cgit_diff_commit(commit, inspect_files, ctx.qry.vpath);
 		html("</td><td>");
 		htmlf("%d", files);
 		if (ctx.repo->enable_log_linecount) {