diff --git a/tests/PlotCurve.cpp b/tests/PlotCurve.cpp
index a69d4593..5ca42c28 100644
--- a/tests/PlotCurve.cpp
+++ b/tests/PlotCurve.cpp
@@ -45,7 +45,7 @@ public:
 
     void callback(absl::string_view header, const std::vector<sfz::Opcode>& members) override
     {
-        if (header == "effect")
+        if (header == "curve")
             curveSet.addCurveFromHeader(members);
     }