1 files changed, 12 insertions, 0 deletions
diff --git a/src/zdab-cat.c b/src/zdab-cat.c
index c9e50f2..dfb295a 100644
--- a/src/zdab-cat.c
+++ b/src/zdab-cat.c
@@ -162,6 +162,18 @@ int main(int argc, char **argv)
             goto err;
         }
 
+        if (!strncmp(bmast.name,"MAST",4)) {
+            ;
+        } else if (!strncmp(bmast.name,"ZDAB",4)) {
+            /* Not sure why, but occasionally some of the zdabs output by
+             * SNOMAN have logical records which start with a ZDAB record
+             * instead of a MAST record. */
+            continue;
+        } else {
+            fprintf(stderr, "logical record starts with unknown bank '%s'\n", bmast.name);
+            goto err;
+        }
+
         if (bmast.links[KMAST_EV-1] == 0) {
             /* First logical record in SNOCR files doesn't have an EV bank. */
             continue;