diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4a7f42a726..3face43005 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -332,7 +332,7 @@ if(EMSCRIPTEN)
     target_link_libraries(WASM::WASM INTERFACE "--preload-file ${CMAKE_BINARY_DIR}/lang@/lang")
     target_link_libraries(WASM::WASM INTERFACE "--preload-file ${CMAKE_SOURCE_DIR}/bin/ai@/ai")
     target_link_libraries(WASM::WASM INTERFACE "--preload-file ${CMAKE_SOURCE_DIR}/bin/game@/game")
-    target_link_libraries(WASM::WASM INTERFACE "--preload-file ${CMAKE_SOURCE_DIR}/TimGM6mb.sf2@/usr/share/sounds/sf2/TimGM6mb.sf2")
+    target_link_libraries(WASM::WASM INTERFACE "--preload-file ${CMAKE_BINARY_DIR}/TimGM6mb.sf2@/usr/share/sounds/sf2/TimGM6mb.sf2")
 
     # We use IDBFS for persistent storage.
     target_link_libraries(WASM::WASM INTERFACE "-lidbfs.js")