diff --git a/js/js2/jstypes.cpp b/js/js2/jstypes.cpp
index 5967c4d4a9bd..e85fb4d0a389 100644
--- a/js/js2/jstypes.cpp
+++ b/js/js2/jstypes.cpp
@@ -257,7 +257,7 @@ JSObject *JSArray::ArrayPrototypeObject = NULL;
 static JSValue array_constructor(Context *, const JSValues& argv)
 {
     // argv[0] will be NULL
-    int argCount = argv.size();
+    uint32 argCount = argv.size();
     if (argCount > 1)
         if (argCount > 2) { // then it's a bunch of elements
             JSArray *result = new JSArray(argCount - 1);
diff --git a/js2/src/jstypes.cpp b/js2/src/jstypes.cpp
index 5967c4d4a9bd..e85fb4d0a389 100644
--- a/js2/src/jstypes.cpp
+++ b/js2/src/jstypes.cpp
@@ -257,7 +257,7 @@ JSObject *JSArray::ArrayPrototypeObject = NULL;
 static JSValue array_constructor(Context *, const JSValues& argv)
 {
     // argv[0] will be NULL
-    int argCount = argv.size();
+    uint32 argCount = argv.size();
     if (argCount > 1)
         if (argCount > 2) { // then it's a bunch of elements
             JSArray *result = new JSArray(argCount - 1);