diff --git a/src/gallium/drivers/etnaviv/etnaviv_blend.c b/src/gallium/drivers/etnaviv/etnaviv_blend.c
index f61e2ccc444..8d8dba15ecf 100644
--- a/src/gallium/drivers/etnaviv/etnaviv_blend.c
+++ b/src/gallium/drivers/etnaviv/etnaviv_blend.c
@@ -178,6 +178,9 @@ etna_update_blend(struct etna_context *ctx)
       current_rt++;
    }
 
+   if (current_rt == 0)
+      blend->rt[0].PE_COLOR_FORMAT = VIVS_PE_COLOR_FORMAT_OVERWRITE;
+
    return true;
 }