diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6ea4185e4..a530558ed 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -143,7 +143,8 @@ IF ((CMAKE_SIZEOF_VOID_P EQUAL 8) AND
         deps/picotest/picotest.c
         lib/picotls.c
         lib/fusion.c
-        t/fusion.c)
+        t/fusion.c
+        ${CMAKE_CURRENT_BINARY_DIR}/picotls-probes.h)
     SET_TARGET_PROPERTIES(test-fusion.t PROPERTIES COMPILE_FLAGS "-mavx2 -maes -mpclmul")
     SET(TEST_EXES ${TEST_EXES} test-fusion.t)
 ENDIF ()