diff --git a/src/video_core/shader/ast.cpp b/src/video_core/shader/ast.cpp
index 9ef1d0a780..c7d471d507 100644
--- a/src/video_core/shader/ast.cpp
+++ b/src/video_core/shader/ast.cpp
@@ -232,7 +232,8 @@ public:
         return inner;
     }
 
-    std::string inner{};
+private:
+    std::string inner;
 };
 
 class ASTPrinter {