diff --git a/src/compiler/glsl/ast_to_hir.cpp b/src/compiler/glsl/ast_to_hir.cpp
index 4916b1590a0..73d8d6298df 100644
--- a/src/compiler/glsl/ast_to_hir.cpp
+++ b/src/compiler/glsl/ast_to_hir.cpp
@@ -4495,7 +4495,7 @@ process_initializer(ir_variable *var, ast_declaration *decl,
       } else {
          if (var->type->is_numeric()) {
             /* Reduce cascading errors. */
-            var->constant_value = type->qualifier.flags.q.constant
+            rhs = var->constant_value = type->qualifier.flags.q.constant
                ? ir_constant::zero(state, var->type) : NULL;
          }
       }