diff --git a/gitbrute.go b/gitbrute.go
index ce6e18c..31e6c5e 100644
--- a/gitbrute.go
+++ b/gitbrute.go
@@ -29,7 +29,6 @@ import (
 	"runtime"
 	"strconv"
 	"strings"
-	"time"
 )
 
 var (
@@ -38,11 +37,6 @@ var (
 	cpu    = flag.Int("cpus", runtime.NumCPU(), "Number of CPUs to use. Defaults to number of processors.")
 )
 
-var (
-	start     = time.Now()
-	startUnix = start.Unix()
-)
-
 func main() {
 	flag.Parse()
 	runtime.GOMAXPROCS(*cpu)
@@ -112,8 +106,8 @@ func bruteForce(obj []byte, winner chan<- solution, possibilities <-chan try, do
 		case <-done:
 			return
 		default:
-			ad := date{startUnix - int64(t.authorBehind), authorDate.tz}
-			cd := date{startUnix - int64(t.commitBehind), commitDate.tz}
+			ad := date{authorDate.n - int64(t.authorBehind), authorDate.tz}
+			cd := date{commitDate.n - int64(t.commitBehind), commitDate.tz}
 			strconv.AppendInt(blob[:adatei], ad.n, 10)
 			strconv.AppendInt(blob[:cdatei], cd.n, 10)
 			s1.Reset()