diff --git a/src/compiler/nir/nir_opt_cse.c b/src/compiler/nir/nir_opt_cse.c
index 80f48410ad0..d60758b24fc 100644
--- a/src/compiler/nir/nir_opt_cse.c
+++ b/src/compiler/nir/nir_opt_cse.c
@@ -43,6 +43,8 @@ nir_opt_cse_impl(nir_function_impl *impl)
 {
    struct set *instr_set = nir_instr_set_create(NULL);
 
+   _mesa_set_resize(instr_set, impl->ssa_alloc);
+
    nir_metadata_require(impl, nir_metadata_dominance);
 
    bool progress = false;