diff --git a/lisa/exekall_customize.py b/lisa/exekall_customize.py
index 99896ac3601684e8d472e1dc3402f3a425851f35..2e25182492821359680883c748ac87c1fe864dc9 100644
--- a/lisa/exekall_customize.py
+++ b/lisa/exekall_customize.py
@@ -168,6 +168,10 @@ class LISAAdaptor(AdaptorBase):
             alpha=alpha,
         )
 
+        if not regr_list:
+            print('No matching test IDs have been found, use "--remove-tag board" to match across "board" tags')
+            return
+
         print('testcase failure rate changes with alpha={}\n'.format(alpha))
 
         id_len = max(len(regr.testcase_id) for regr in regr_list)