diff --git a/.github/workflows/Mac.yml b/.github/workflows/Mac.yml
index 996a29b56f8..6abdc80c85b 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: False
+  GTFF_USE_ION: False
 on:
   push:
     branches:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 014bd992e6b..e7f64030943 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: False
+    GTFF_USE_ION: False
 on: [pull_request, push]
 jobs:
   linting:
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 3e469e6fddf..54ce4738fcf 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: False
+  GTFF_USE_ION: False
 on:
   push:
     branches: