diff --git a/projectnetwork.go b/projectnetwork.go
index 4d52279..a7ec5e1 100644
--- a/projectnetwork.go
+++ b/projectnetwork.go
@@ -95,12 +95,12 @@ type activity struct {
 
 func (a *activity) Attributes() []encoding.Attribute {
 	return []encoding.Attribute{
-		{"DUR", strconv.FormatFloat(a.duration, 'g', -1, 64)},
-		{"ES", strconv.FormatFloat(a.earlyStart, 'g', -1, 64)},
-		{"EF", strconv.FormatFloat(a.earlyFinish, 'g', -1, 64)},
-		{"LS", strconv.FormatFloat(a.lateStart, 'g', -1, 64)},
-		{"LF", strconv.FormatFloat(a.lateFinish, 'g', -1, 64)},
-		{"SLACK", strconv.FormatFloat(a.slack, 'g', -1, 64)},
+		{"DUR", strconv.FormatFloat(a.duration, 'f', 2, 64)},
+		{"ES", strconv.FormatFloat(a.earlyStart, 'f', 2, 64)},
+		{"EF", strconv.FormatFloat(a.earlyFinish, 'f', 2, 64)},
+		{"LS", strconv.FormatFloat(a.lateStart, 'f', 2, 64)},
+		{"LF", strconv.FormatFloat(a.lateFinish, 'f', 2, 64)},
+		{"SLACK", strconv.FormatFloat(a.slack, 'f', 2, 64)},
 	}
 }