diff --git a/src/max6675.rs b/src/max6675.rs
index d09227a..093fb04 100644
--- a/src/max6675.rs
+++ b/src/max6675.rs
@@ -8,9 +8,9 @@ where
 {
     let mut buffer = [0u8, 0u8];
 
-    nss_pin.set_low();
+    nss_pin.set_low().map_err(|_| "Unable to set pin low")?;
     let res = spi.transfer(&mut buffer);
-    nss_pin.set_high();
+    nss_pin.set_high().map_err(|_| "Unable to set pin high")?;
 
     let raw_result = match res {
         Ok(value) => (value[0] as u16) << 8 | (value[1] as u16),