diff --git a/api/mraa/spi.hpp b/api/mraa/spi.hpp
index 19316dc..e5ffb09 100644
--- a/api/mraa/spi.hpp
+++ b/api/mraa/spi.hpp
@@ -70,6 +70,15 @@ class Spi
         }
     }
 
+    Spi(int bus, int cs)
+    {
+        m_spi = mraa_spi_init_raw(bus, cs);
+
+        if (m_spi == NULL) {
+            throw std::invalid_argument("Error initialising SPI bus");
+        }
+    }
+
     /**
      * Closes spi bus
      */