diff --git a/libs/js/src/jsapi.c b/libs/js/src/jsapi.c
index ed28dfdc69..50fb5f7576 100644
--- a/libs/js/src/jsapi.c
+++ b/libs/js/src/jsapi.c
@@ -4574,12 +4574,13 @@ JS_NewRegExpObject(JSContext *cx, char *bytes, size_t length, uintN flags)
 #if JS_HAS_REGEXPS
     jschar *chars;
     JSObject *obj;
+	size_t slength = length;
 
     CHECK_REQUEST(cx);
-    chars = js_InflateString(cx, bytes, &length);
+    chars = js_InflateString(cx, bytes, &slength);
     if (!chars)
         return NULL;
-    obj = js_NewRegExpObject(cx, NULL, chars, length, flags);
+    obj = js_NewRegExpObject(cx, NULL, chars, slength, flags);
     JS_free(cx, chars);
     return obj;
 #else
diff --git a/libs/js/src/jsdbgapi.c b/libs/js/src/jsdbgapi.c
index 77a2f15f24..5f25968603 100644
--- a/libs/js/src/jsdbgapi.c
+++ b/libs/js/src/jsdbgapi.c
@@ -939,11 +939,12 @@ JS_EvaluateInStackFrame(JSContext *cx, JSStackFrame *fp,
 {
     jschar *chars;
     JSBool ok;
+	size_t slength = length;
 
-    chars = js_InflateString(cx, bytes, &length);
+    chars = js_InflateString(cx, bytes, &slength);
     if (!chars)
         return JS_FALSE;
-    ok = JS_EvaluateUCInStackFrame(cx, fp, chars, length, filename, lineno,
+    ok = JS_EvaluateUCInStackFrame(cx, fp, chars, slength, filename, lineno,
                                    rval);
     JS_free(cx, chars);