diff --git a/source/Core/BSP/Sequre_S60/configuration.h b/source/Core/BSP/Sequre_S60/configuration.h
index 07e7ae99..8bbb2f31 100644
--- a/source/Core/BSP/Sequre_S60/configuration.h
+++ b/source/Core/BSP/Sequre_S60/configuration.h
@@ -119,7 +119,7 @@
 // Vin_max = (3.3*(r1+r2))/(r2)
 // vdiv = (32768*4)/(vin_max*10)
 
-#if defined(MODEL_S60) + defined(MODEL_S60P)+defined(MODEL_S99) == 0
+#if defined(MODEL_S60) + defined(MODEL_S60P) + defined(MODEL_S99) == 0
 #error "No model defined!"
 #endif