diff --git a/src/glsl/ir_validate.cpp b/src/glsl/ir_validate.cpp
index bb381a00df3..93f9c0f7af3 100644
--- a/src/glsl/ir_validate.cpp
+++ b/src/glsl/ir_validate.cpp
@@ -104,6 +104,8 @@ ir_validate::visit(ir_if *ir)
       printf("\n");
       abort();
    }
+
+   return visit_continue;
 }