diff --git a/src/kauth/rebuild.c b/src/kauth/rebuild.c
index 9c1d0db76e..d6dad28c7a 100644
--- a/src/kauth/rebuild.c
+++ b/src/kauth/rebuild.c
@@ -69,7 +69,7 @@ readUbikHeader(void)
     }
 
     uheader.magic = ntohl(uheader.magic);
-    uheader.size = ntohl(uheader.size);
+    uheader.size = ntohs(uheader.size);
     uheader.version.epoch = ntohl(uheader.version.epoch);
     uheader.version.counter = ntohl(uheader.version.counter);
 
diff --git a/src/ptserver/db_verify.c b/src/ptserver/db_verify.c
index 5966549d20..e99863902b 100644
--- a/src/ptserver/db_verify.c
+++ b/src/ptserver/db_verify.c
@@ -217,7 +217,7 @@ readUbikHeader(struct misc_data *misc)
     }
 
     uheader.magic = ntohl(uheader.magic);
-    uheader.size = ntohl(uheader.size);
+    uheader.size = ntohs(uheader.size);
     uheader.version.epoch = ntohl(uheader.version.epoch);
     uheader.version.counter = ntohl(uheader.version.counter);