diff --git a/src/gallium/drivers/nv50/nv50_state_validate.c b/src/gallium/drivers/nv50/nv50_state_validate.c
index f5e7b36809a..9a4c5ea0c09 100644
--- a/src/gallium/drivers/nv50/nv50_state_validate.c
+++ b/src/gallium/drivers/nv50/nv50_state_validate.c
@@ -61,7 +61,7 @@ nv50_validate_fb(struct nv50_context *nv50)
       if (mt->base.status & NOUVEAU_BUFFER_STATUS_GPU_READING)
          nv50->state.rt_serialize = TRUE;
       mt->base.status |= NOUVEAU_BUFFER_STATUS_GPU_WRITING;
-      mt->base.status &= NOUVEAU_BUFFER_STATUS_GPU_READING;
+      mt->base.status &= ~NOUVEAU_BUFFER_STATUS_GPU_READING;
 
       /* only register for writing, otherwise we'd always serialize here */
       BCTX_REFN(nv50->bufctx_3d, FB, &mt->base, WR);
@@ -91,7 +91,7 @@ nv50_validate_fb(struct nv50_context *nv50)
       if (mt->base.status & NOUVEAU_BUFFER_STATUS_GPU_READING)
          nv50->state.rt_serialize = TRUE;
       mt->base.status |= NOUVEAU_BUFFER_STATUS_GPU_WRITING;
-      mt->base.status &= NOUVEAU_BUFFER_STATUS_GPU_READING;
+      mt->base.status &= ~NOUVEAU_BUFFER_STATUS_GPU_READING;
 
       BCTX_REFN(nv50->bufctx_3d, FB, &mt->base, WR);
    } else {
diff --git a/src/gallium/drivers/nv50/nv50_tex.c b/src/gallium/drivers/nv50/nv50_tex.c
index 48b35d703b7..328a204ac6a 100644
--- a/src/gallium/drivers/nv50/nv50_tex.c
+++ b/src/gallium/drivers/nv50/nv50_tex.c
@@ -271,7 +271,7 @@ nv50_validate_tic(struct nv50_context *nv50, int s)
 
       nv50->screen->tic.lock[tic->id / 32] |= 1 << (tic->id % 32);
 
-      res->status &= NOUVEAU_BUFFER_STATUS_GPU_WRITING;
+      res->status &= ~NOUVEAU_BUFFER_STATUS_GPU_WRITING;
       res->status |= NOUVEAU_BUFFER_STATUS_GPU_READING;
 
       BCTX_REFN(nv50->bufctx_3d, TEXTURES, res, RD);