diff --git a/Chart.define.h b/Chart.define.h
index f01ac1c3f..7f06e374a 100644
--- a/Chart.define.h
+++ b/Chart.define.h
@@ -28,27 +28,27 @@
 /* Defines */
 
 // Define type of timeframe periods using bitwise values.
-#define M1B 1 << M1,    // 1 minute
-#define M2B 1 << M2,    // 2 minutes (non-standard)
-#define M3B 1 << M3,    // 3 minutes (non-standard)
-#define M4B 1 << M4,    // 4 minutes (non-standard)
-#define M5B 1 << M5,    // 5 minutes
-#define M6B 1 << M6,    // 6 minutes (non-standard)
-#define M10B 1 << M10,  // 10 minutes (non-standard)
-#define M12B 1 << M12,  // 12 minutes (non-standard)
-#define M15B 1 << M15,  // 15 minutes
-#define M20B 1 << M20,  // 20 minutes (non-standard)
-#define M30B 1 << M30,  // 30 minutes
-#define H1B 1 << H1,    // 1 hour
-#define H2B 1 << H2,    // 2 hours (non-standard)
-#define H3B 1 << H3,    // 3 hours (non-standard)
-#define H4B 1 << H4,    // 4 hours
-#define H6B 1 << H6,    // 6 hours (non-standard)
-#define H8B 1 << H8,    // 8 hours (non-standard)
-#define H12B 1 << H12,  // 12 hours (non-standard)
-#define D1B 1 << D1,    // Daily
-#define W1B 1 << W1,    // Weekly
-#define MN1B 1 << MN1,  // Monthly
+#define M1B (1 << M1)    // 1 minute
+#define M2B (1 << M2)    // 2 minutes (non-standard)
+#define M3B (1 << M3)    // 3 minutes (non-standard)
+#define M4B (1 << M4)    // 4 minutes (non-standard)
+#define M5B (1 << M5)    // 5 minutes
+#define M6B (1 << M6)    // 6 minutes (non-standard)
+#define M10B (1 << M10)  // 10 minutes (non-standard)
+#define M12B (1 << M12)  // 12 minutes (non-standard)
+#define M15B (1 << M15)  // 15 minutes
+#define M20B (1 << M20)  // 20 minutes (non-standard)
+#define M30B (1 << M30)  // 30 minutes
+#define H1B (1 << H1)    // 1 hour
+#define H2B (1 << H2)    // 2 hours (non-standard)
+#define H3B (1 << H3)    // 3 hours (non-standard)
+#define H4B (1 << H4)    // 4 hours
+#define H6B (1 << H6)    // 6 hours (non-standard)
+#define H8B (1 << H8)    // 8 hours (non-standard)
+#define H12B (1 << H12)  // 12 hours (non-standard)
+#define D1B (1 << D1)    // Daily
+#define W1B (1 << W1)    // Weekly
+#define MN1B (1 << MN1)  // Monthly
 
 #ifndef __MQL4__
 // Chart.