diff --git a/.appveyor.yml b/.appveyor.yml
index 7de6f09a..d2f10c88 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -2,81 +2,76 @@ clone_folder: c:\dev\glm-cmake
 
 matrix:
   os: Visual Studio 2013
-    platform: x86
-    configuration: Release
-    build_script:
+    - platform: x86
+      configuration: Release
+      build_script:
       - md build32_pure_98_release
       - cd build32_pure_98_release
       - cmake -DCMAKE_CXX_COMPILER=$COMPILER -DGLM_TEST_ENABLE=ON -DGLM_TEST_ENABLE_CXX_98=ON -DGLM_TEST_FORCE_PURE=ON ..
       - cmake -E time cmake --build . --config Release
 
-  os: Visual Studio 2013
-    platform: x64
-    configuration: Release
-    build_script:
+    - platform: x64
+      configuration: Release
+      build_script:
       - md build64_pure_98_release
       - cd build64_pure_98_release
       - cmake -DCMAKE_CXX_COMPILER=$COMPILER -DGLM_TEST_ENABLE=ON -DGLM_TEST_ENABLE_CXX_98=ON -DGLM_TEST_FORCE_PURE=ON ..
       - cmake -E time cmake --build . --config Release
 
-  os: Visual Studio 2013
-    platform: x64
-    configuration: Release
-    build_script:
+    - platform: x64
+      configuration: Release
+      build_script:
       - md build64_pure_ms_release
       - cd build64_pure_ms_release
       - cmake -DCMAKE_CXX_COMPILER=$COMPILER -DGLM_TEST_ENABLE=ON -DGLM_TEST_ENABLE_CXX_98=ON -DGLM_TEST_ENABLE_LANG_EXTENSIONS=ON -DGLM_TEST_FORCE_PURE=ON ..
       - cmake -E time cmake --build . --config Release
 
   os: Visual Studio 2015
-    platform: x64
-    configuration: Debug
-    build_script:
+    - platform: x64
+      configuration: Debug
+      build_script:
       - md build_pure_11_debug
       - cd build_pure_11_debug
       - cmake -DCMAKE_CXX_COMPILER=$COMPILER -DGLM_TEST_ENABLE=ON -DGLM_TEST_ENABLE_CXX_11=ON -DGLM_TEST_FORCE_PURE=ON ..
       - cmake -E time cmake --build . --config Debug
 
-  os: Visual Studio 2015
-    platform: x64
-    configuration: Release
-    build_script:
+    - platform: x64
+      configuration: Release
+      build_script:
       - md build64_pure_11_release
       - cd build64_pure_11_release
       - cmake -DCMAKE_CXX_COMPILER=$COMPILER -DGLM_TEST_ENABLE=ON -DGLM_TEST_ENABLE_CXX_11=ON -DGLM_TEST_FORCE_PURE=ON ..
       - cmake -E time cmake --build . --config Release
 
-  os: Visual Studio 2015
-    platform: x64
-    configuration: Release
-    build_script:
+    - platform: x64
+      configuration: Release
+      build_script:
       - md build64_sse3_11_release
       - cd build64_sse3_11_release
       - cmake -DCMAKE_CXX_COMPILER=$COMPILER -DGLM_TEST_ENABLE=ON -DGLM_TEST_ENABLE_CXX_11=ON -DGLM_TEST_ENABLE_LANG_EXTENSIONS=ON -DGLM_TEST_ENABLE_SIMD_SSE3=ON ..
       - cmake -E time cmake --build . --config Release
 
   os: Visual Studio 2017
-    platform: x64
-    configuration: Release
-    build_script:
+    - platform: x64
+      configuration: Release
+      build_script:
       - md build64_pure_14_release
       - cd build64_pure_14_release
       - cmake -DCMAKE_CXX_COMPILER=$COMPILER -DGLM_TEST_ENABLE=ON -DGLM_TEST_ENABLE_CXX_14=ON -DGLM_TEST_FORCE_PURE=ON ..
       - cmake -E time cmake --build . --config Release
 
-  os: Visual Studio 2017
-    platform: x64
-    configuration: Release
-    build_script:
+    - platform: x64
+      configuration: Release
+      build_script:
       - md build64_sse3_14_release
       - cd build64_sse3_14_release
       - cmake -DCMAKE_CXX_COMPILER=$COMPILER -DGLM_TEST_ENABLE=ON -DGLM_TEST_ENABLE_CXX_14=ON -DGLM_TEST_ENABLE_LANG_EXTENSIONS=ON -DGLM_TEST_ENABLE_SIMD_SSE3=ON ..
       - cmake -E time cmake --build . --config Release
 
   os: Visual Studio 2017
-    platform: x64
-    configuration: Release
-    build_script:
+    - platform: x64
+      configuration: Release
+      build_script:
       - md build64_avx_14_release
       - cd build64_avx_14_release
       - cmake -DCMAKE_CXX_COMPILER=$COMPILER -DGLM_TEST_ENABLE=ON -DGLM_TEST_ENABLE_CXX_14=ON -DGLM_TEST_ENABLE_LANG_EXTENSIONS=ON -DGLM_TEST_ENABLE_SIMD_AVX=ON ..