diff --git a/tests/FilesT.cpp b/tests/FilesT.cpp
index ef605365..7f56511b 100644
--- a/tests/FilesT.cpp
+++ b/tests/FilesT.cpp
@@ -689,7 +689,7 @@ TEST_CASE("[Files] Key center from audio file")
 {
     sfz::Synth synth;
     synth.loadSfzString(fs::current_path() / "tests/TestFiles/sample_keycenter.sfz", R"(
-        <group> pitch_keycenter=sample
+        <group> pitch_keycenter=sample oscillator=off
         <region> sample=root_key_38.wav
         <region> sample=root_key_62.wav
         <region> sample=root_key_38.flac