diff --git a/libraries/SPI/src/SPI.h b/libraries/SPI/src/SPI.h
index 41c040c75a..78bf3b6eab 100644
--- a/libraries/SPI/src/SPI.h
+++ b/libraries/SPI/src/SPI.h
@@ -236,11 +236,13 @@ class SPIClass {
       return &(_spi.handle);
     }
 
-    void attachSlaveInterrupt(uint8_t pin, callback_function_t callback) {
+    void attachSlaveInterrupt(uint8_t pin, callback_function_t callback)
+    {
       ::attachInterrupt(pin, callback, FALLING);
     }
 
-    void detachSlaveInterrupt(uint8_t pin) {
+    void detachSlaveInterrupt(uint8_t pin)
+    {
       ::detachInterrupt(pin);
     }