diff --git a/src/m_cheat.c b/src/m_cheat.c
index 6fa3ea113..05b851fef 100644
--- a/src/m_cheat.c
+++ b/src/m_cheat.c
@@ -109,7 +109,7 @@ static UINT8 cheatf_devmode(void)
 	G_SetGameModified(false);
 	for (i = 0; i < MAXUNLOCKABLES; i++)
 		unlockables[i].unlocked = true;
-	devparm = TRUE;
+	devparm = true;
 	cv_debug |= 0x8000;
 
 	// Refresh secrets menu existing.