diff --git a/.github/workflows/Mac.yml b/.github/workflows/Mac.yml
index 6abdc80c85b..6e53446908f 100644
--- a/.github/workflows/Mac.yml
+++ b/.github/workflows/Mac.yml
@@ -1,7 +1,7 @@
 name: Mac OS X Full Clean Build with ML
 env:
-  GTFF_USE_PROMPT_TOOLKIT: False
-  GTFF_USE_ION: False
+  GTFF_USE_PROMPT_TOOLKIT:
+  GTFF_USE_ION:
 on:
   push:
     branches:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index e7f64030943..bc6b8d48358 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,7 +1,7 @@
 name: Tests
 env:
-    GTFF_USE_PROMPT_TOOLKIT: False
-    GTFF_USE_ION: False
+    GTFF_USE_PROMPT_TOOLKIT:
+    GTFF_USE_ION:
 on: [pull_request, push]
 jobs:
   linting:
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 54ce4738fcf..4a5608f55f6 100755
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -1,7 +1,7 @@
 name: Windows 10 Full Clean Build with ML
 env:
-  GTFF_USE_PROMPT_TOOLKIT: False
-  GTFF_USE_ION: False
+  GTFF_USE_PROMPT_TOOLKIT:
+  GTFF_USE_ION:
 on:
   push:
     branches: