diff --git a/tests/regex_test.cpp b/tests/regex_test.cpp
index d026221..4a4409e 100644
--- a/tests/regex_test.cpp
+++ b/tests/regex_test.cpp
@@ -36,3 +36,13 @@
 
   regfree(&re);
 }
+
+TEST(regex, match_offsets) {
+  regex_t re;
+  regmatch_t matches[1];
+  ASSERT_EQ(0, regcomp(&re, "b", 0));
+  ASSERT_EQ(0, regexec(&re, "abc", 1, matches, 0));
+  ASSERT_EQ(1, matches[0].rm_so);
+  ASSERT_EQ(2, matches[0].rm_eo);
+  regfree(&re);
+}