diff --git a/renderdoc/driver/gl/wrappers/gl_shader_funcs.cpp b/renderdoc/driver/gl/wrappers/gl_shader_funcs.cpp
index 6023e2107..0394dad24 100644
--- a/renderdoc/driver/gl/wrappers/gl_shader_funcs.cpp
+++ b/renderdoc/driver/gl/wrappers/gl_shader_funcs.cpp
@@ -274,6 +274,8 @@ void WrappedOpenGL::ShaderData::ProcessCompilation(WrappedOpenGL &drv, ResourceI
         rdcspv::CompilationSettings settings(rdcspv::InputLanguage::OpenGLGLSL,
                                              rdcspv::ShaderStage(ShaderIdx(type)));
 
+        settings.gles = IsGLES;
+
         rdcstr s = rdcspv::Compile(settings, sources, spirvwords);
         if(!spirvwords.empty())
           spirv.Parse(spirvwords);
diff --git a/renderdoc/driver/shaders/spirv/spirv_compile.cpp b/renderdoc/driver/shaders/spirv/spirv_compile.cpp
index dde6db240..a2cc2bec4 100644
--- a/renderdoc/driver/shaders/spirv/spirv_compile.cpp
+++ b/renderdoc/driver/shaders/spirv/spirv_compile.cpp
@@ -82,7 +82,7 @@ rdcstr rdcspv::Compile(const rdcspv::CompilationSettings &settings, const rdcarr
     if(settings.debugInfo)
       flags = EShMessages(flags | EShMsgDebugInfo);
 
-    bool success = shader->parse(GetDefaultResources(), 110, false, flags);
+    bool success = shader->parse(GetDefaultResources(), settings.gles ? 100 : 110, false, flags);
 
     if(!success)
     {
diff --git a/renderdoc/driver/shaders/spirv/spirv_compile.h b/renderdoc/driver/shaders/spirv/spirv_compile.h
index 004fd0445..2d541aca5 100644
--- a/renderdoc/driver/shaders/spirv/spirv_compile.h
+++ b/renderdoc/driver/shaders/spirv/spirv_compile.h
@@ -56,6 +56,7 @@ struct CompilationSettings
   ShaderStage stage = ShaderStage::Invalid;
   InputLanguage lang = InputLanguage::Unknown;
   bool debugInfo = false;
+  bool gles = false;
   rdcstr entryPoint;
 };