diff --git a/assignment2_handout.c b/assignment2_handout.c
index 606e84b..2c8517d 100644
--- a/assignment2_handout.c
+++ b/assignment2_handout.c
@@ -54,7 +54,7 @@
 
 // Define the lower-case true so that this compiles directly in Windows (GCC 9.2)
 #if defined(_WIN32) || defined(WIN32)
-#define true 1
+#define true TRUE
 #endif
 // Print the number of people in the lifts & on the floors
 //#define POPULATIONS