diff --git a/web/org.openbravo.mobile.core/source/component/ob-keyboard.js b/web/org.openbravo.mobile.core/source/component/ob-keyboard.js
--- a/web/org.openbravo.mobile.core/source/component/ob-keyboard.js
+++ b/web/org.openbravo.mobile.core/source/component/ob-keyboard.js
@@ -495,6 +495,9 @@
         which -= 48;
       }
 
+      if (which === 220 && key !== "\\") {
+        key = "\\";
+      }
       if (OB.UTIL.isIOS() && key) {
         actualChar = key;
       } else {