diff --git a/icd/intel/compiler/shader/glsl_glass_backend.h b/icd/intel/compiler/shader/glsl_glass_backend.h
index 6ec3103..e977afe 100644
--- a/icd/intel/compiler/shader/glsl_glass_backend.h
+++ b/icd/intel/compiler/shader/glsl_glass_backend.h
@@ -132,7 +132,7 @@
    // Ask LunarGlass for mat*vec & vec*mat intrinsics
    bool useColumnBasedMatrixIntrinsics() { return true; }
 
-//   bool useLogicalIo() { return true; }
+   bool useLogicalIo() { return true; }
 
 private:
    const EShLanguage language;
diff --git a/icd/intel/compiler/shader/glsl_parser_extras.cpp b/icd/intel/compiler/shader/glsl_parser_extras.cpp
index f9ceda3..117b7c2 100644
--- a/icd/intel/compiler/shader/glsl_parser_extras.cpp
+++ b/icd/intel/compiler/shader/glsl_parser_extras.cpp
@@ -1584,7 +1584,7 @@
    }
 }
 
-//#define USEBIL
+#define USEBIL
 
 void
 _mesa_glsl_compile_shader_glass(struct gl_context *ctx, struct gl_shader *shader,
diff --git a/tests/render_tests.cpp b/tests/render_tests.cpp
index 2e97847..4c3bebc 100644
--- a/tests/render_tests.cpp
+++ b/tests/render_tests.cpp
@@ -618,9 +618,10 @@
 
     static const char *fragShaderText =
        "#version 130\n"
-       "uniform vec4 foo;\n"
+       "in vec4 color;\n"
+       "in vec4 scale;\n"
        "void main() {\n"
-       "   gl_FragColor = foo;\n"
+       "   gl_FragColor = color * scale;\n"
        "}\n";
     static const char *fragShader2 =
             "#version 430\n"
@@ -632,7 +633,7 @@
             "}\n";
 
     ASSERT_NO_FATAL_FAILURE(CreateShader(XGL_SHADER_STAGE_FRAGMENT,
-                                         fragShader2, ps));
+                                         fragShaderText, ps));
 
     ps_stage.sType = XGL_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
     ps_stage.pNext = &vs_stage;