diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index d9fc053ec..e10af89ff 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -8,7 +8,7 @@ on:
 
 jobs:
   tests:
-    runs-on: ubuntu-1804
+    runs-on: ubuntu1804
     
     strategy:
       matrix: