diff --git a/cmake/modules/LibffiUtils.cmake b/cmake/modules/LibffiUtils.cmake
index b3fa697..035b647 100644
--- a/cmake/modules/LibffiUtils.cmake
+++ b/cmake/modules/LibffiUtils.cmake
@@ -43,6 +43,7 @@
   # Pick up correct sources based on arch.
   set(c_srcs
     "${libffi_srcroot}/src/closures.c"
+    "${libffi_srcroot}/src/tramp.c"
     "${libffi_srcroot}/src/prep_cif.c"
     "${libffi_srcroot}/src/types.c"
     "${libffi_srcroot}/src/raw_api.c"