diff --git a/libsrc/leddevice/ProviderSpi.cpp b/libsrc/leddevice/ProviderSpi.cpp
index 754f7b0a..9d8da653 100644
--- a/libsrc/leddevice/ProviderSpi.cpp
+++ b/libsrc/leddevice/ProviderSpi.cpp
@@ -89,6 +89,7 @@ int ProviderSpi::writeBytes(const unsigned size, const uint8_t * data)
 	}
 
 	int retVal = ioctl(_fid, SPI_IOC_MESSAGE(1), &_spi);
+	ErrorIf((retVal < 0), _log, "SPI failed to write. errno: %d, %s", errno,  strerror(errno) );
 
 	if (retVal == 0 && _latchTime_ns > 0)
 	{