diff --git a/src/Kaleidoscope/EEPROM-Settings.h b/src/Kaleidoscope/EEPROM-Settings.h
index db20b708..184bc1f7 100644
--- a/src/Kaleidoscope/EEPROM-Settings.h
+++ b/src/Kaleidoscope/EEPROM-Settings.h
@@ -16,6 +16,8 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#pragma once
+
 #include <Kaleidoscope.h>
 #include <EEPROM.h>