diff --git a/.github/workflows/windows-dotnet.yml b/.github/workflows/windows-dotnet.yml
index f757a23..750b2a2 100644
--- a/.github/workflows/windows-dotnet.yml
+++ b/.github/workflows/windows-dotnet.yml
@@ -14,5 +14,5 @@ jobs:
     - name: make
       run: |
         call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Auxiliary\Build\vcvars64.bat"
-	msbuild dotnet\rubberband.sln
+        msbuild dotnet\rubberband.sln
 
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 1b6d197..5bcc282 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -14,13 +14,13 @@ jobs:
     - name: deps
       run: |
         cinst wget
-	cinst meson
-	c:\ProgramData\chocolatey\bin\wget.exe http://www.mega-nerd.com/libsndfile/files/libsndfile-1.0.28-w64-setup.exe
-	.\libsndfile-1.0.28-w64-setup.exe /silent /sp- /norestart
+        cinst meson
+        c:\ProgramData\chocolatey\bin\wget.exe http://www.mega-nerd.com/libsndfile/files/libsndfile-1.0.28-w64-setup.exe
+        .\libsndfile-1.0.28-w64-setup.exe /silent /sp- /norestart
     - name: configure
       run: |
         call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Auxiliary\Build\vcvars64.bat"
-	meson build
+        meson build
     - name: make
       run: |
         ninja -C build