diff --git a/src/boot/boot.janet b/src/boot/boot.janet
index ef9edfd7..51d34073 100644
--- a/src/boot/boot.janet
+++ b/src/boot/boot.janet
@@ -3670,7 +3670,7 @@
     (defn make-sig []
       (ffi/signature :default ret-type ;computed-type-args))
     (defn make-ptr []
-      (assert (ffi/lookup (llib) raw-symbol) "failed to find symbol"))
+      (assert (ffi/lookup (if lazy (llib) lib) raw-symbol) "failed to find symbol"))
     (if lazy
         ~(defn ,name ,;meta [,;formal-args]
            (,ffi/call (,(delay (make-ptr))) (,(delay (make-sig))) ,;formal-args))
diff --git a/test/suite0012.janet b/test/suite0012.janet
index 45727ade..00afb19b 100644
--- a/test/suite0012.janet
+++ b/test/suite0012.janet
@@ -28,5 +28,16 @@
 (assert (= (thunk) 1) "delay 3")
 (assert (= counter 1) "delay 4")
 
+# FFI check
+(compwhen (dyn 'ffi/native)
+  (ffi/context))
+(compwhen (dyn 'ffi/native)
+  (ffi/defbind memcpy :ptr [dest :ptr src :ptr n :size]))
+(compwhen (dyn 'ffi/native)
+  (def buffer1 @"aaaa")
+  (def buffer2 @"bbbb")
+  (memcpy buffer1 buffer2 4)
+  (assert (= (string buffer1) "bbbb") "ffi 1 - memcpy"))
+
 (end-suite)