diff --git a/MobileGL/MG_Util/ShaderTranspiler/glslang/TMglGlslIoResolver.cpp b/MobileGL/MG_Util/ShaderTranspiler/glslang/TMglGlslIoResolver.cpp
index fcff34ca..22fe187e 100644
--- a/MobileGL/MG_Util/ShaderTranspiler/glslang/TMglGlslIoResolver.cpp
+++ b/MobileGL/MG_Util/ShaderTranspiler/glslang/TMglGlslIoResolver.cpp
@@ -8,7 +8,7 @@ namespace MobileGL {
     void TMglGlslIoResolver::reserverStorageSlot(glslang::TVarEntryInfo& ent, TInfoSink& infoSink) {
         const glslang::TType& type = ent.symbol->getType();
         const glslang::TString& name = ent.symbol->getAccessName();
-        if (type.getQualifier().isPipeInput()) {
+        if (currentStage == EShLangVertex && type.getQualifier().isPipeInput()) {
             auto it = m_explicitAttribLocations.find(name.c_str());
             if (it != m_explicitAttribLocations.end()) {
                 auto& writableType = ent.symbol->getWritableType();