diff --git a/src/compiler/nir/nir_opt_constant_folding.c b/src/compiler/nir/nir_opt_constant_folding.c
index dd91fed65c5..4b27bc36081 100644
--- a/src/compiler/nir/nir_opt_constant_folding.c
+++ b/src/compiler/nir/nir_opt_constant_folding.c
@@ -167,6 +167,7 @@ const_value_for_deref(nir_deref_instr *deref)
 
    /* We have to have ended at a vector */
    assert(c->num_elements == 0);
+   nir_deref_path_finish(&path);
    return v ? v : c->values;
 
 fail: