diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 05eb537..00d9c94 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -33,9 +33,9 @@ jobs:
           - clang7
           - clang6
           - clang5
-	cuda:
-	  - false
-	  - true
+        cuda:
+          - false
+          - true
 
     steps:
     - uses: actions/checkout@v2.3.4