diff --git a/lib-n-ide/src/main/java/com/jecelyin/editor/v2/editor/Document.java b/lib-n-ide/src/main/java/com/jecelyin/editor/v2/editor/Document.java
index e7c69681..882e1e2e 100644
--- a/lib-n-ide/src/main/java/com/jecelyin/editor/v2/editor/Document.java
+++ b/lib-n-ide/src/main/java/com/jecelyin/editor/v2/editor/Document.java
@@ -151,7 +151,7 @@ public void onStart() {
 
     @Override
     public SpannableStringBuilder onAsyncReaded(FileReader fileReader, boolean ok) {
-        Editable text = fileReader.getBuffer();
+        CharSequence text = fileReader.getBuffer();
         String firstLine = text.subSequence(0, Math.min(80, text.length())).toString();
 
         ModeProvider modeProvider = ModeProvider.getInstance();
diff --git a/lib-n-ide/src/main/java/com/jecelyin/editor/v2/io/FileReader.java b/lib-n-ide/src/main/java/com/jecelyin/editor/v2/io/FileReader.java
index 5faf2a07..80336f4f 100644
--- a/lib-n-ide/src/main/java/com/jecelyin/editor/v2/io/FileReader.java
+++ b/lib-n-ide/src/main/java/com/jecelyin/editor/v2/io/FileReader.java
@@ -66,6 +66,8 @@ public boolean read() {
         } catch (Exception e) {
             DLog.e(e);
             return false;
+        } catch (OutOfMemoryError error) {
+            return false;
         }
     }