1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/main/getstring.c b/src/mesa/main/getstring.c
index 39fd260dcf7..0e075427fa0 100644
--- a/src/mesa/main/getstring.c
+++ b/src/mesa/main/getstring.c
@@ -262,7 +262,7 @@ _mesa_GetPointerv( GLenum pname, GLvoid **params )
       case GL_DEBUG_CALLBACK_USER_PARAM_ARB:
          if (!_mesa_is_desktop_gl(ctx))
             goto invalid_pname;
-         *params = ctx->Debug.CallbackData;
+         *params = (GLvoid *) ctx->Debug.CallbackData;
          break;
       default:
          goto invalid_pname;