diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index fcc6cd404f56..48b234d8f251 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -865,6 +865,12 @@ static int add_special_section_alts(struct objtool_file *file)
 		}
 
 		if (special_alt->group) {
+			if (!special_alt->orig_len) {
+				WARN_FUNC("empty alternative entry",
+					  orig_insn->sec, orig_insn->offset);
+				continue;
+			}
+
 			ret = handle_group_alt(file, special_alt, orig_insn,
 					       &new_insn);
 			if (ret)