diff --git a/app/src/main/java/eur/cfpifpsi/titanboard/InputMethod.java b/app/src/main/java/eur/cfpifpsi/titanboard/InputMethod.java
index 10bc5b8..1e1aad6 100644
--- a/app/src/main/java/eur/cfpifpsi/titanboard/InputMethod.java
+++ b/app/src/main/java/eur/cfpifpsi/titanboard/InputMethod.java
@@ -23,6 +23,7 @@ import android.inputmethodservice.InputMethodService;
 import android.os.Handler;
 import android.os.Looper;
 import android.os.Vibrator;
+import android.text.InputType;
 import android.view.KeyEvent;
 import android.view.View;
 import android.view.inputmethod.CursorAnchorInfo;
@@ -106,8 +107,13 @@ public class InputMethod extends InputMethodService {
 
         ArrayList<String> symbols = mKeymapManager.getSymbols(keyCode, mMetaKeyManager);
         InputConnection conn = getCurrentInputConnection();
+        EditorInfo info = getCurrentInputEditorInfo();
 
-        if (symbols == null || conn == null) {
+        if (symbols == null || conn == null || info == null) {
+            return false;
+        }
+
+        if (info.inputType == InputType.TYPE_NULL) {
             return false;
         }