diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index b55ff07d6..73d0a93e1 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -199,7 +199,7 @@ jobs:
         stack: ${{ matrix.plan.stack }}
       run: |
         export PATH=~/.local/bin:$PATH
-        COLUMNS=80 $stack exec -- shelltest --execdir -j16 tests -x /bin -x /addons
+        COLUMNS=80 $stack exec -- shelltest --execdir -j16 tests -x /_ -x /bin -x /addons
 
     - name: Test haddock generation
       env:
diff --git a/.github/workflows/mac.yml b/.github/workflows/mac.yml
index fad98a211..dae9a4139 100644
--- a/.github/workflows/mac.yml
+++ b/.github/workflows/mac.yml
@@ -151,7 +151,7 @@ jobs:
         stack: ${{ matrix.plan.stack }}
       run: |
         export PATH=~/.local/bin:$PATH
-        COLUMNS=80 $stack exec -- shelltest --execdir -j16 tests -x /bin -x /addons
+        COLUMNS=80 $stack exec -- shelltest --execdir -j16 tests -x /_ -x /bin -x /addons
 
     # artifacts:
 
diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index 252006778..eff512661 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -144,4 +144,4 @@ jobs:
         stack: ${{ matrix.plan.stack }}
       run: |
         export PATH=~/.local/bin:$PATH
-        COLUMNS=80 $stack exec -- shelltest --execdir -j16 tests -x /bin -x /addons
+        COLUMNS=80 $stack exec -- shelltest --execdir -j16 tests -x /_ -x /bin -x /addons
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 0ee7c45a6..1f416556f 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -153,7 +153,7 @@ jobs:
 
     # run hledger-lib/hledger functional tests, skipping the ones for addons
     ## - export PATH=~/.local/bin:$PATH
-    #- COLUMNS=80 stack exec -- shelltest --execdir -j16 tests -x /bin -x /addons
+    #- COLUMNS=80 stack exec -- shelltest --execdir -j16 tests -x /_ -x /bin -x /addons
 
     # artifacts: