diff --git a/ListOfContributors b/ListOfContributors
index 36b201f73..81e78d4be 100644
--- a/ListOfContributors
+++ b/ListOfContributors
@@ -82,3 +82,4 @@ Contents:
     Niklas Wikstrom
     Vanja Skuric
     Alexander Vakhrushev
+    Inno Gatin
diff --git a/src/foam/primitives/ints/label/label.C b/src/foam/primitives/ints/label/label.C
index 96962128c..77cc9610a 100644
--- a/src/foam/primitives/ints/label/label.C
+++ b/src/foam/primitives/ints/label/label.C
@@ -81,7 +81,7 @@ label factorial(label n)
     };
 
 #   ifdef FULLDEBUG
-    if (n > 12 && n < 0)
+    if (n > 12 || n < 0)
     {
         FatalErrorIn("factorial(label n)")
             << "n value out of range"