diff --git a/src/test/jtx/hook.h b/src/test/jtx/hook.h
index c9713cdcf..bd78d3419 100644
--- a/src/test/jtx/hook.h
+++ b/src/test/jtx/hook.h
@@ -38,7 +38,7 @@ Json::Value
 hso(std::vector<uint8_t> const& wasmBytes, void (*f)(Json::Value& jv) = 0);
 
 Json::Value
-hso(std::vector<uint8_t> const& wasmBytes, uint16_t apiVersion, void (*f)(Json::Value& jv) = 0);
+hsov1(std::vector<uint8_t> const& wasmBytes, uint16_t apiVersion, void (*f)(Json::Value& jv) = 0);
 
 
 Json::Value
diff --git a/src/test/jtx/impl/hook.cpp b/src/test/jtx/impl/hook.cpp
index e5cbafc09..d804e245e 100644
--- a/src/test/jtx/impl/hook.cpp
+++ b/src/test/jtx/impl/hook.cpp
@@ -82,7 +82,7 @@ hso(std::vector<uint8_t> const& wasmBytes, void (*f)(Json::Value& jv))
 }
 
 Json::Value
-hso(std::vector<uint8_t> const& wasmBytes, uint16_t apiVersion = 0, void (*f)(Json::Value& jv))
+hsov1(std::vector<uint8_t> const& wasmBytes, uint16_t apiVersion = 0, void (*f)(Json::Value& jv))
 {
     if (wasmBytes.size() == 0)
         throw std::runtime_error("empty hook wasm passed to hso()");