thodg/cgminer

diff --git a/cgminer.c b/cgminer.c
index 559e22a..cf5b700 100644
--- a/cgminer.c
+++ b/cgminer.c
@@ -242,7 +242,7 @@ static char datestamp[40];
 static char blocktime[32];
 struct timeval block_timeval;
 static char best_share[8] = "0";
-double current_diff = 0xFFFFFFFFFFFFFFFF;
+double current_diff = 0xFFFFFFFFFFFFFFFFULL;
 static char block_diff[8];
 uint64_t best_diff = 0;