1 files changed, 10 insertions, 0 deletions
diff --git a/src/fit.c b/src/fit.c
index 26a5bdf..b036246 100644
--- a/src/fit.c
+++ b/src/fit.c
@@ -5789,6 +5789,11 @@ int get_event(zebraFile *f, event *ev, zebraBank *bev)
         ev->pmt_hits[i].hit = 0;
     }
 
+    if (bev->links[KEV_PMT-1] == 0) {
+        fprintf(stderr, "PMT link is zero!\n");
+        exit(1);
+    }
+
     rv = zebra_get_bank(f,&b,bev->links[KEV_PMT-1]);
 
     if (rv) {
@@ -6130,6 +6135,11 @@ int main(int argc, char **argv)
             }
         }
 
+        if (bmast.links[KMAST_EV-1] == 0) {
+            fprintf(stderr, "EV link is zero!\n");
+            goto err;
+        }
+
         rv = zebra_get_bank(f,&b,bmast.links[KMAST_EV-1]);
 
         if (rv) {