diff --git a/appveyor.yml b/appveyor.yml
index de4f09c3..6e5383c1 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,37 +1,37 @@
 version: 6.18.5.{build}
 environment:
   matrix:
-  - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2022
-    CMAKE_GENERATOR: Visual Studio 17 2022
-  - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
-    CMAKE_GENERATOR: Visual Studio 16 2019
-  - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
-    CMAKE_GENERATOR: Visual Studio 15 2017
-  - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
-    CMAKE_GENERATOR: Visual Studio 14 2015
-  - CMAKE_GENERATOR: Visual Studio 12 2013
-  - CMAKE_GENERATOR: Visual Studio 11 2012
-  - CMAKE_GENERATOR: Visual Studio 10 2010
-  - CMAKE_GENERATOR: Ninja
-    MINGW: MinGW # MinGW 32-bit 5.3.0
-  - CMAKE_GENERATOR: Ninja
-    MINGW32: i686-5.3.0-posix-dwarf-rt_v4-rev0 # MinGW-w64 5.3.0
-  - CMAKE_GENERATOR: Ninja
-    MINGW32: i686-6.3.0-posix-dwarf-rt_v5-rev1 # MinGW-w64 6.3.0 i686
-  - CMAKE_GENERATOR: Ninja
-    MINGW64: x86_64-6.3.0-posix-seh-rt_v5-rev1 # MinGW-w64 6.3.0 x86_64
-  - CMAKE_GENERATOR: Ninja
-    MINGW64: x86_64-7.3.0-posix-seh-rt_v5-rev0 # MinGW-w64 7.3.0 x86_64
-  - CMAKE_GENERATOR: Ninja
-    MINGW64: x86_64-8.1.0-posix-seh-rt_v6-rev0 # MinGW-w64 8.1.0 x86_64
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2022
+      CMAKE_GENERATOR: Visual Studio 17 2022
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+      CMAKE_GENERATOR: Visual Studio 16 2019
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+      CMAKE_GENERATOR: Visual Studio 15 2017
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
+      CMAKE_GENERATOR: Visual Studio 14 2015
+    - CMAKE_GENERATOR: Visual Studio 12 2013
+    - CMAKE_GENERATOR: Visual Studio 11 2012
+    - CMAKE_GENERATOR: Visual Studio 10 2010
+    - CMAKE_GENERATOR: Ninja
+      MINGW: MinGW # MinGW 32-bit 5.3.0
+    - CMAKE_GENERATOR: Ninja
+      MINGW32: i686-5.3.0-posix-dwarf-rt_v4-rev0 # MinGW-w64 5.3.0
+    - CMAKE_GENERATOR: Ninja
+      MINGW32: i686-6.3.0-posix-dwarf-rt_v5-rev1 # MinGW-w64 6.3.0 i686
+    - CMAKE_GENERATOR: Ninja
+      MINGW64: x86_64-6.3.0-posix-seh-rt_v5-rev1 # MinGW-w64 6.3.0 x86_64
+    - CMAKE_GENERATOR: Ninja
+      MINGW64: x86_64-7.3.0-posix-seh-rt_v5-rev0 # MinGW-w64 7.3.0 x86_64
+    - CMAKE_GENERATOR: Ninja
+      MINGW64: x86_64-8.1.0-posix-seh-rt_v6-rev0 # MinGW-w64 8.1.0 x86_64
 configuration: Debug
 before_build:
-- set PATH=%PATH:C:\Program Files\Git\usr\bin;=% # Workaround for CMake not wanting sh.exe on PATH for MinGW
-- if defined MINGW set PATH=C:\%MINGW%\bin;%PATH%
-- if defined MINGW32 set PATH=C:\mingw-w64\%MINGW32%\mingw32\bin;%PATH%
-- if defined MINGW64 set PATH=C:\mingw-w64\%MINGW64%\mingw64\bin;%PATH%
-- cmake -DCMAKE_BUILD_TYPE=%CONFIGURATION% -G "%CMAKE_GENERATOR%" .
+  - set PATH=%PATH:C:\Program Files\Git\usr\bin;=% # Workaround for CMake not wanting sh.exe on PATH for MinGW
+  - if defined MINGW set PATH=C:\%MINGW%\bin;%PATH%
+  - if defined MINGW32 set PATH=C:\mingw-w64\%MINGW32%\mingw32\bin;%PATH%
+  - if defined MINGW64 set PATH=C:\mingw-w64\%MINGW64%\mingw64\bin;%PATH%
+  - cmake -DCMAKE_BUILD_TYPE=%CONFIGURATION% -G "%CMAKE_GENERATOR%" .
 build_script:
-- cmake --build . --config %CONFIGURATION%
+  - cmake --build . --config %CONFIGURATION%
 test_script:
-- ctest -C %CONFIGURATION% --output-on-failure .
+  - ctest -C %CONFIGURATION% --output-on-failure .