diff --git a/tesseract/genconf/env.go b/tesseract/genconf/env.go
index 2ae2ef5..9e21921 100644
--- a/tesseract/genconf/env.go
+++ b/tesseract/genconf/env.go
@@ -42,6 +42,14 @@ func generateEnv(yamlFile string) {
 			args = append(args, fmt.Sprintf("--http_endpoint=%s", logEntry.Listen))
 		}
 
+		// Add not_after flags if specified
+		if !logEntry.NotAfterStart.IsZero() {
+			args = append(args, fmt.Sprintf("--not_after_start=%s", logEntry.NotAfterStart.Format("2006-01-02T15:04:05Z")))
+		}
+		if !logEntry.NotAfterLimit.IsZero() {
+			args = append(args, fmt.Sprintf("--not_after_limit=%s", logEntry.NotAfterLimit.Format("2006-01-02T15:04:05Z")))
+		}
+
 		tesseractArgs := strings.Join(args, " ")
 		envContent := fmt.Sprintf("TESSERACT_ARGS=\"%s\"\nOTEL_EXPORTER_OTLP_ENDPOINT=http://localhost:4318\n", tesseractArgs)