diff --git a/src/compiler/nir/nir_print.c b/src/compiler/nir/nir_print.c
index a7ea12f8904..cf5241563b7 100644
--- a/src/compiler/nir/nir_print.c
+++ b/src/compiler/nir/nir_print.c
@@ -1708,7 +1708,7 @@ print_intrinsic_instr(nir_intrinsic_instr *instr, print_state *state)
 
       case NIR_INTRINSIC_PREAMBLE_CLASS: {
          /* "General" handled above */
-         nir_preamble_class cls = nir_intrinsic_preamble_class(instr);
+         ASSERTED nir_preamble_class cls = nir_intrinsic_preamble_class(instr);
          assert(cls == nir_preamble_class_image);
          fprintf(fp, "class=image");
          break;