diff --git a/src/tz.cpp b/src/tz.cpp
index 9d55d4f..bd9fad4 100644
--- a/src/tz.cpp
+++ b/src/tz.cpp
@@ -3660,6 +3660,10 @@ init_tzdb()
                 {
                     db->zones.back().add(line);
                 }
+                else if (word.size() > 0 && word[0] == '#')
+                {
+                    continue;
+                }
                 else
                 {
                     std::cerr << line << '\n';