diff --git a/src/intel/perf/gen_perf.py b/src/intel/perf/gen_perf.py
index a64cb86a5f6..0d0aae90b5f 100644
--- a/src/intel/perf/gen_perf.py
+++ b/src/intel/perf/gen_perf.py
@@ -105,7 +105,11 @@ def emit_uadd(tmp_id, args):
 def emit_udiv(tmp_id, args):
     c("uint64_t tmp{0} = {1};".format(tmp_id, args[1]))
     c("uint64_t tmp{0} = {1};".format(tmp_id + 1, args[0]))
-    c("uint64_t tmp{0} = tmp{1} ? tmp{2} / tmp{1} : 0;".format(tmp_id + 2, tmp_id + 1, tmp_id))
+    if args[0].isdigit():
+        assert int(args[0]) > 0
+        c("uint64_t tmp{0} = tmp{2} / tmp{1};".format(tmp_id + 2, tmp_id + 1, tmp_id))
+    else:
+        c("uint64_t tmp{0} = tmp{1} ? tmp{2} / tmp{1} : 0;".format(tmp_id + 2, tmp_id + 1, tmp_id))
     return tmp_id + 3
 
 def emit_umul(tmp_id, args):