diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 09bfe7f..4d7e717 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -23,7 +23,7 @@ jobs:
       - name: Set SC64 version
         run: |
           echo "$GITHUB_REF_NAME"
-          SC64_VERSION=-${$GITHUB_REF_NAME//\//-}
+          SC64_VERSION=-${GITHUB_REF_NAME//\//-}
           echo "$SC64_VERSION"
 
       - name: Build everything
@@ -78,7 +78,7 @@ jobs:
       - name: Set SC64 version
         run: |
           echo "$GITHUB_REF_NAME"
-          SC64_VERSION=-${$GITHUB_REF_NAME//\//-}
+          SC64_VERSION=-${GITHUB_REF_NAME//\//-}
           echo "$SC64_VERSION"
 
       - name: Setup python