diff --git a/glsl2spv.cpp b/glsl2spv.cpp
index ef89d03..62e8505 100644
--- a/glsl2spv.cpp
+++ b/glsl2spv.cpp
@@ -405,8 +405,9 @@ extern "C"
 
         shaderStrings[0] = shader_source;
         shader.setStrings(shaderStrings, 1);
+        shader.setEnvClient(glslang::EShClientVulkan, glslang::EShTargetVulkan_1_2);
 
-        if (!shader.parse(&Resources, 100, false, messages))
+        if (!shader.parse(&Resources, 100, ECoreProfile, false, false, messages))
             return(new SPVData(shader.getInfoLog(),shader.getInfoDebugLog()));
 
         program.addShader(&shader);