diff --git a/src/api/z3_api.h b/src/api/z3_api.h
index a1b37cc8b..3c530f4d6 100644
--- a/src/api/z3_api.h
+++ b/src/api/z3_api.h
@@ -3554,7 +3554,7 @@ extern "C" {
 
        def_API('Z3_get_string_contents', VOID, (_in(CONTEXT), _in(AST), _in(UINT), _out_array(2, UINT)))
      */
-    void Z3_API Z3_get_string_contents(Z3_context c, Z3_ast s, unsigned length, unsigned* buffer);
+    void Z3_API Z3_get_string_contents(Z3_context c, Z3_ast s, unsigned length, unsigned buffer[]);
     
     /**
        \brief Create an empty sequence of the sequence sort \c seq.