diff --git a/src/gallium/drivers/etnaviv/etnaviv_nir.c b/src/gallium/drivers/etnaviv/etnaviv_nir.c
index 6a12c6b5b9f..a92f96972a5 100644
--- a/src/gallium/drivers/etnaviv/etnaviv_nir.c
+++ b/src/gallium/drivers/etnaviv/etnaviv_nir.c
@@ -111,7 +111,7 @@ etna_lower_io(nir_shader *shader, struct etna_shader_variant *v)
                case nir_tex_src_comparator:
                   break;
                default:
-                  //assert(0);
+                  assert(0);
                   break;
                }
             }