diff --git a/lib/gen_robot_keyword.py b/lib/gen_robot_keyword.py
index 6d2d0f5..f7d89ce 100755
--- a/lib/gen_robot_keyword.py
+++ b/lib/gen_robot_keyword.py
@@ -68,8 +68,12 @@
     if test_mode:
         return 'PASS', ""
 
-    status, ret_values = \
-        BuiltIn().run_keyword_and_ignore_error(*keyword_list)
+    try:
+        status, ret_values = \
+            BuiltIn().run_keyword_and_ignore_error(*keyword_list)
+    except Exception as my_assertion_error:
+        status = "FAIL"
+        ret_values = my_assertion_error.args[0]
 
     if not (status == 'PASS' or ignore):
         # Output the error message to stderr.