diff --git a/tests/balancesheet.test b/tests/balancesheet.test
index 318b9cf13..cd5f6029d 100644
--- a/tests/balancesheet.test
+++ b/tests/balancesheet.test
@@ -5,7 +5,7 @@ hledger -f - balancesheet
   assets  1
   b
 >>>
-Balance Sheet 2016/01/01
+Balance Sheet 2016-01-01
 
              || 2016-01-01 
 =============++============
@@ -48,7 +48,7 @@ Balance Sheet 2016/01/01
 #
 hledger -f sample.journal balancesheet -p 'monthly in 2008'
 >>>
-Balance Sheet 2008/01/31,,2008/12/31
+Balance Sheet 2008-01-31,,2008-12-31
 
                       || 2008-01-31  2008-02-29  2008-03-31  2008-04-30  2008-05-31  2008-06-30  2008-07-31  2008-08-31  2008-09-30  2008-10-31  2008-11-30  2008-12-31 
 ======================++================================================================================================================================================
@@ -94,7 +94,7 @@ Balance Sheet 2008/01/31,,2008/12/31
 #
 hledger -f sample.journal balancesheet -p 'monthly in 2008' --tree
 >>>
-Balance Sheet 2008/01/31,,2008/12/31
+Balance Sheet 2008-01-31,,2008-12-31
 
               || 2008-01-31  2008-02-29  2008-03-31  2008-04-30  2008-05-31  2008-06-30  2008-07-31  2008-08-31  2008-09-30  2008-10-31  2008-11-30  2008-12-31 
 ==============++================================================================================================================================================
@@ -123,7 +123,7 @@ Balance Sheet 2008/01/31,,2008/12/31
 # by default (shows ending balances).
 hledger -f sample.journal balancesheet -p 'monthly in 2008' -NAT
 >>>
-Balance Sheet 2008/01/31,,2008/12/31
+Balance Sheet 2008-01-31,,2008-12-31
 
                       || 2008-01-31  2008-02-29  2008-03-31  2008-04-30  2008-05-31  2008-06-30  2008-07-31  2008-08-31  2008-09-30  2008-10-31  2008-11-30  2008-12-31  Average 
 ======================++=========================================================================================================================================================
@@ -148,7 +148,7 @@ hledger -f- balancesheet
 2017/1/1
   (assets:b)  1
 >>>
-Balance Sheet 2017/01/01
+Balance Sheet 2017-01-01
 
              || 2017-01-01 
 =============++============
@@ -174,7 +174,7 @@ hledger -f- balancesheet --flat
 2017/1/1
   (assets:b)  1
 >>>
-Balance Sheet 2017/01/01
+Balance Sheet 2017-01-01
 
              || 2017-01-01 
 =============++============
@@ -199,7 +199,7 @@ hledger -f- balancesheet -YA
 2017/1/1
   (assets)  $1
 >>>
-Balance Sheet 2017/12/31
+Balance Sheet 2017-12-31
 
              || 2017-12-31  Average 
 =============++=====================
@@ -225,7 +225,7 @@ hledger -f - balancesheet -M --pretty-tables
   assets  1
   b
 >>>
-Balance Sheet 2016/01/31
+Balance Sheet 2016-01-31
 
              ║ 2016-01-31 
 ═════════════╬════════════
@@ -262,7 +262,7 @@ hledger -f - balancesheet
    assets:this account should not disappear:subaccount   -$10
    assets:this account should not disappear
 >>>
-Balance Sheet 2018/10/03
+Balance Sheet 2018-10-03
 
                                      || 2018-10-03 
 =====================================++============
diff --git a/tests/cashflow.test b/tests/cashflow.test
index 315dadf86..e911a4428 100644
--- a/tests/cashflow.test
+++ b/tests/cashflow.test
@@ -175,7 +175,7 @@ Cashflow Statement 2008
 # 7. Multicolumn test (historical)
 hledger -f sample.journal cashflow -p 'monthly in 2008' -A --historical
 >>>
-Cashflow Statement 2008/01/31,,2008/12/31 (Historical Ending Balances)
+Cashflow Statement 2008-01-31,,2008-12-31 (Historical Ending Balances)
 
                       || 2008-01-31  2008-02-29  2008-03-31  2008-04-30  2008-05-31  2008-06-30  2008-07-31  2008-08-31  2008-09-30  2008-10-31  2008-11-30  2008-12-31  Average 
 ======================++=========================================================================================================================================================
diff --git a/tests/incomestatement.test b/tests/incomestatement.test
index 907f4a094..360e4bdf9 100644
--- a/tests/incomestatement.test
+++ b/tests/incomestatement.test
@@ -263,7 +263,7 @@ Income Statement 2008
 #
 hledger -f sample.journal incomestatement -p 'monthly in 2008' --historical
 >>>
-Income Statement 2008/01/31,,2008/12/31 (Historical Ending Balances)
+Income Statement 2008-01-31,,2008-12-31 (Historical Ending Balances)
 
                    || 2008-01-31  2008-02-29  2008-03-31  2008-04-30  2008-05-31  2008-06-30  2008-07-31  2008-08-31  2008-09-30  2008-10-31  2008-11-30  2008-12-31 
 ===================++================================================================================================================================================
diff --git a/tests/journal/directives-account.test b/tests/journal/directives-account.test
index 4b615cb70..36eacd582 100644
--- a/tests/journal/directives-account.test
+++ b/tests/journal/directives-account.test
@@ -25,7 +25,7 @@ account b      L
   (b:bb)     3
 
 $ hledger -f - bs -N --flat
-Balance Sheet 2018/01/01
+Balance Sheet 2018-01-01
 
              || 2018-01-01 
 =============++============
@@ -46,7 +46,7 @@ Balance Sheet 2018/01/01
 # It must be shown above bb, but since not an asset, its balance is excluded there.
 # It is shown again in the liabilities section, this time with balance.
 $ hledger -f - bs -N
-Balance Sheet 2018/01/01
+Balance Sheet 2018-01-01
 
              || 2018-01-01 
 =============++============