diff --git a/src/calculate.h b/src/calculate.h
index 22349dd..cea447b 100644
--- a/src/calculate.h
+++ b/src/calculate.h
@@ -4,7 +4,8 @@
 #define MSPERDAY 86400000
 
 typedef enum {
-    SIGN_ARIES = 1,
+    SIGN_NONE,
+    SIGN_ARIES,
     SIGN_TAURUS,
     SIGN_GEMINI,
     SIGN_CANCER,