diff --git a/.github/workflows/macos_debug.yml b/.github/workflows/macos_debug.yml
index de39c7c871f5..877f7da2a9c2 100644
--- a/.github/workflows/macos_debug.yml
+++ b/.github/workflows/macos_debug.yml
@@ -11,7 +11,7 @@ on: [pull_request]
 
 jobs:
   build:
-    runs-on: macos-latest
+    runs-on: macos-14-large
 
     steps:
     - uses: actions/checkout@v4
diff --git a/.github/workflows/macos_debug_fetch_boost.yml b/.github/workflows/macos_debug_fetch_boost.yml
index 4386e5a4e800..b893cc3c6cfe 100644
--- a/.github/workflows/macos_debug_fetch_boost.yml
+++ b/.github/workflows/macos_debug_fetch_boost.yml
@@ -10,7 +10,7 @@ on: [pull_request]
 
 jobs:
   build:
-    runs-on: macos-latest
+    runs-on: macos-14-large
 
     steps:
     - uses: actions/checkout@v4
diff --git a/.github/workflows/macos_debug_fetch_hwloc.yml b/.github/workflows/macos_debug_fetch_hwloc.yml
index 628baf14827a..5a5c42ddbcbf 100644
--- a/.github/workflows/macos_debug_fetch_hwloc.yml
+++ b/.github/workflows/macos_debug_fetch_hwloc.yml
@@ -11,7 +11,7 @@ on: [pull_request]
 
 jobs:
   build:
-    runs-on: macos-latest
+    runs-on: macos-14-large
 
     steps:
     - uses: actions/checkout@v4
diff --git a/libs/core/lock_registration/src/register_locks.cpp b/libs/core/lock_registration/src/register_locks.cpp
index 5106165347ed..03a6e3a0ffcf 100644
--- a/libs/core/lock_registration/src/register_locks.cpp
+++ b/libs/core/lock_registration/src/register_locks.cpp
@@ -123,7 +123,7 @@ namespace hpx::util {
 
             static bool set_ignore_all_locks(bool enable)
             {
-                bool& val= get_held_locks().data_->ignore_all_locks_;
+                bool& val = get_held_locks().data_->ignore_all_locks_;
                 if (val != enable)
                 {
                     val = enable;