diff --git a/src/server/shared/Common.h b/src/server/shared/Common.h
index e0106ed788..004a013da9 100755
--- a/src/server/shared/Common.h
+++ b/src/server/shared/Common.h
@@ -119,6 +119,7 @@
 #define atoll __atoi64
 #define vsnprintf _vsnprintf
 #define finite(X) _finite(X)
+#define llabs _abs64
 
 #else