diff --git a/src/mesa/state_tracker/st_cb_fbo.c b/src/mesa/state_tracker/st_cb_fbo.c
index 5fe6c79a93a..5e3425a73a6 100644
--- a/src/mesa/state_tracker/st_cb_fbo.c
+++ b/src/mesa/state_tracker/st_cb_fbo.c
@@ -415,9 +415,15 @@ st_new_renderbuffer_fb(enum pipe_format format, unsigned samples, boolean sw)
    case PIPE_FORMAT_R32G32B32A32_FLOAT:
       strb->Base.InternalFormat = GL_RGBA32F;
       break;
+   case PIPE_FORMAT_R32G32B32X32_FLOAT:
+      strb->Base.InternalFormat = GL_RGB32F;
+      break;
    case PIPE_FORMAT_R16G16B16A16_FLOAT:
       strb->Base.InternalFormat = GL_RGBA16F;
       break;
+   case PIPE_FORMAT_R16G16B16X16_FLOAT:
+      strb->Base.InternalFormat = GL_RGB16F;
+      break;
    default:
       _mesa_problem(NULL,
                     "Unexpected format %s in st_new_renderbuffer_fb",