diff --git a/libril/ril.cpp b/libril/ril.cpp
index 64fba2d..28fc4d7 100644
--- a/libril/ril.cpp
+++ b/libril/ril.cpp
@@ -296,7 +296,7 @@ static void writeStringToParcel(Parcel &p, const char *s) {
     char16_t *s16;
     size_t s16_len;
     s16 = strdup8to16(s, &s16_len);
-    p.writeString16(s16, s16_len);
+    p.writeString16((uint16_t*)s16, s16_len); 
     free(s16);
 }