diff --git a/src/mbgl/shaders/shaders.cpp b/src/mbgl/shaders/shaders.cpp
index 31ff405f0..2e5a31802 100644
--- a/src/mbgl/shaders/shaders.cpp
+++ b/src/mbgl/shaders/shaders.cpp
@@ -22,6 +22,7 @@ std::string programIdentifier(const std::string& vertexSource, const std::string
     ss << std::setfill('0') << std::setw(sizeof(size_t) * 2) << std::hex;
     ss << std::hash<std::string>()(vertexSource);
     ss << std::hash<std::string>()(fragmentSource);
+    ss << "v2";
     return ss.str();
 }