diff --git a/src/system/boot/platform/bios_ia32/serial.cpp b/src/system/boot/platform/bios_ia32/serial.cpp
index da44c47001..c460091801 100644
--- a/src/system/boot/platform/bios_ia32/serial.cpp
+++ b/src/system/boot/platform/bios_ia32/serial.cpp
@@ -74,7 +74,7 @@ serial_puts(const char* string, size_t size)
 }
 
 
-extern "C" void 
+extern "C" void
 serial_disable(void)
 {
 #ifdef ENABLE_SERIAL
@@ -85,7 +85,7 @@ serial_disable(void)
 }
 
 
-extern "C" void 
+extern "C" void
 serial_enable(void)
 {
 	sSerialEnabled++;