diff --git a/builtin/log.c b/builtin/log.c
index 6102893fcc..6ba7f20726 100644
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -245,6 +245,9 @@ static void cmd_log_init_finish(int argc, const char **argv, const char *prefix,
 			rev->abbrev_commit = 0;
 	}
 
+	if (rev->commit_format == CMIT_FMT_USERFORMAT && !w.decorate)
+		decoration_style = 0;
+
 	if (decoration_style) {
 		const struct string_list *config_exclude =
 			repo_config_get_value_multi(the_repository,
diff --git a/pretty.c b/pretty.c
index b1ecd039ce..9631529c10 100644
--- a/pretty.c
+++ b/pretty.c
@@ -1735,6 +1735,10 @@ static size_t userformat_want_item(struct strbuf *sb, const char *placeholder,
 	case 'S':
 		w->source = 1;
 		break;
+	case 'd':
+	case 'D':
+		w->decorate = 1;
+		break;
 	}
 	return 0;
 }
diff --git a/pretty.h b/pretty.h
index c81cf40d38..2f16acd213 100644
--- a/pretty.h
+++ b/pretty.h
@@ -73,6 +73,7 @@ static inline int cmit_fmt_is_mail(enum cmit_fmt fmt)
 struct userformat_want {
 	unsigned notes:1;
 	unsigned source:1;
+	unsigned decorate:1;
 };
 void userformat_find_requirements(const char *fmt, struct userformat_want *w);