diff --git a/src/qt/guiutil.cpp b/src/qt/guiutil.cpp
index 5d8e489bd604..6c09f0aa6fe7 100644
--- a/src/qt/guiutil.cpp
+++ b/src/qt/guiutil.cpp
@@ -178,7 +178,7 @@ bool parseBitcoinURI(QString uri, SendCoinsRecipient *out)
     //    which will lower-case it (and thus invalidate the address).
     if(uri.startsWith("darkcoin://", Qt::CaseInsensitive))
     {
-        uri.replace(0, 10, "darkcoin:");
+        uri.replace(0, 11, "darkcoin:");
     }
     QUrl uriInstance(uri);
     return parseBitcoinURI(uriInstance, out);