diff --git a/src/tz.cpp b/src/tz.cpp
index 78ab35f..7cbdbcb 100644
--- a/src/tz.cpp
+++ b/src/tz.cpp
@@ -2651,7 +2651,7 @@ get_version()
         in >> version;
         return version;
     }
-    return version;
+    return "unknown";
 }
 
 static
@@ -2760,6 +2760,7 @@ init_tzdb()
                 strcmp(d->d_name, "iso3166.tab")  == 0      ||
                 strcmp(d->d_name, "right")        == 0      ||
                 strcmp(d->d_name, "+VERSION")     == 0      ||
+                strcmp(d->d_name, "version")      == 0      ||
                 strcmp(d->d_name, "zone.tab")     == 0      ||
                 strcmp(d->d_name, "zone1970.tab") == 0      ||
                 strcmp(d->d_name, "tzdata.zi")    == 0      ||