diff --git a/projects/validators/fuzz_validators.py b/projects/validators/fuzz_validators.py
index 92fcc9be8..73662dc08 100644
--- a/projects/validators/fuzz_validators.py
+++ b/projects/validators/fuzz_validators.py
@@ -58,8 +58,8 @@ def TestOneInput(data):
 
   try:
     validators.length(fdp.ConsumeUnicodeNoSurrogates(sys.maxsize),
-                      fdp.ConsumeIntInRange(1, 100),
-                      fdp.ConsumeIntInRange(1, 100))
+                      min_val = fdp.ConsumeIntInRange(1, 100),
+                      max_val = fdp.ConsumeIntInRange(1, 100))
   except validators.ValidationFailure:
     pass