diff --git a/libraries/SPI/src/SPI.cpp b/libraries/SPI/src/SPI.cpp
index beebe0ea5a33ec421de3f02757b54a2f9be1e7df..ac8f3ca24973debffd3ab0d99ce57c3e50c39563 100644
--- a/libraries/SPI/src/SPI.cpp
+++ b/libraries/SPI/src/SPI.cpp
@@ -85,7 +85,7 @@ void SPIClass::setHwCs(bool use)
     if(use && !_use_hw_ss) {
         spiAttachSS(_spi, 0, _ss);
         spiSSEnable(_spi);
-    } else if(_use_hw_ss) {
+    } else if(!use && _use_hw_ss) {
         spiSSDisable(_spi);
         spiDetachSS(_spi, _ss);
     }