diff --git a/extra/llvm/ffi/ffi.factor b/extra/llvm/ffi/ffi.factor
index 9709dc21c6..84583e7c06 100644
--- a/extra/llvm/ffi/ffi.factor
+++ b/extra/llvm/ffi/ffi.factor
@@ -7,7 +7,7 @@ IN: llvm.ffi
 << "llvm" {
     { [ os linux? ] [ "LLVM-3.9" find-so ] }
     { [ os macosx? ] [ "/usr/local/opt/llvm/lib/libLLVM.dylib" ] }
-    [ drop ]
+    [ drop f ]
 } cond [ cdecl add-library ] when*
 >>