2 files changed, 3 insertions, 3 deletions
diff --git a/core/isolate.rs b/core/isolate.rs
index 1ba86d727..cdb505342 100644
--- a/core/isolate.rs
+++ b/core/isolate.rs
@@ -76,10 +76,10 @@ pub enum StartupData<'a> {
 
 pub type OpResult<E> = Result<Op<E>, E>;
 
-type CoreDispatchFn = Fn(&[u8], Option<PinnedBuf>) -> CoreOp;
+type CoreDispatchFn = dyn Fn(&[u8], Option<PinnedBuf>) -> CoreOp;
 
 pub type DynImportFuture = Box<dyn Future<Item = deno_mod, Error = ()> + Send>;
-type DynImportFn = Fn(&str, &str) -> DynImportFuture;
+type DynImportFn = dyn Fn(&str, &str) -> DynImportFuture;
 
 /// Wraps DynImportFuture to include the deno_dyn_import_id, so that it doesn't
 /// need to be exposed.
diff --git a/core/modules.rs b/core/modules.rs
index 5a0e33798..a8252bea5 100644
--- a/core/modules.rs
+++ b/core/modules.rs
@@ -597,7 +597,7 @@ mod tests {
   }
 
   impl Error for MockError {
-    fn cause(&self) -> Option<&Error> {
+    fn cause(&self) -> Option<&dyn Error> {
       unimplemented!()
     }
   }