diff --git a/src/compiler/nir/nir_opt_large_constants.c b/src/compiler/nir/nir_opt_large_constants.c
index b1d90be8336..3ee67b60159 100644
--- a/src/compiler/nir/nir_opt_large_constants.c
+++ b/src/compiler/nir/nir_opt_large_constants.c
@@ -50,7 +50,9 @@ var_info_cmp(const void *_a, const void *_b)
    uint32_t a_size = a->constant_data_size;
    uint32_t b_size = b->constant_data_size;
 
-   if (a_size < b_size) {
+   if (a->is_constant != b->is_constant) {
+      return (int)a->is_constant - (int)b->is_constant;
+   } else if (a_size < b_size) {
       return -1;
    } else if (a_size > b_size) {
       return 1;