diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 99e6fa2bd08..33449175a82 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -52,19 +52,19 @@ jobs:
   # Jobs are listed in rough order of priority: if multiple jobs fail, the first job
   # in the list should be the one that's most worth looking into
   build-linux:
-    if: env.RUN_MAIN_CI
+    if: ${{ env.RUN_MAIN_CI }}
     uses: ./.github/workflows/pre-build.yml
     with:
       os: ubuntu-latest
 
   build-windows:
-    if: env.RUN_MAIN_CI
+    if: ${{ env.RUN_MAIN_CI }}
     uses: ./.github/workflows/pre-build.yml
     with:
       os: windows-latest
 
   test-docs:
-    if: env.RUN_MAIN_CI
+    if: ${{ env.RUN_MAIN_CI }}
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -73,7 +73,7 @@ jobs:
       - run: ./mill -i docs.fastPages + docs.checkBrokenLinks
 
   mac:
-    if: env.RUN_MAIN_CI
+    if: ${{ env.RUN_MAIN_CI }}
     runs-on: macos-latest
     steps:
       - uses: actions/checkout@v4