diff --git a/src/compiler/nir/nir_instr_set.c b/src/compiler/nir/nir_instr_set.c
index 60be9d92410..71b21a09bc3 100644
--- a/src/compiler/nir/nir_instr_set.c
+++ b/src/compiler/nir/nir_instr_set.c
@@ -264,7 +264,7 @@ pack_tex(const nir_tex_instr *instr)
    bit += bits; \
 } while (0)
 
-   PACK(instr->op, 5);
+   PACK(instr->op, 6);
    PACK(instr->num_srcs, 5);
    PACK(instr->sampler_dim, 4);
    PACK(instr->coord_components, 3);