diff --git a/gnucash/report/reports/standard/balance-forecast.scm b/gnucash/report/reports/standard/balance-forecast.scm
index 83fcf017dad..75f598ca11a 100644
--- a/gnucash/report/reports/standard/balance-forecast.scm
+++ b/gnucash/report/reports/standard/balance-forecast.scm
@@ -30,6 +30,7 @@
 (use-modules (gnucash app-utils))
 (use-modules (gnucash report))
 (use-modules (srfi srfi-1))
+(use-modules (sw_expressions))
 
 ; Name definitions
 (define reportname           (N_ "Balance Forecast"))