diff --git a/Mirf/Mirf.cpp b/Mirf/Mirf.cpp
index 0ec2720..b28f385 100755
--- a/Mirf/Mirf.cpp
+++ b/Mirf/Mirf.cpp
@@ -89,6 +89,7 @@ void Nrf24l::init()
     csnHi();
 
     // Initialize spi module
+    spi = new MirfSpiDriver();
     spi->begin();
 
 }