diff --git a/.github/workflows/build-test.yaml b/.github/workflows/build-test.yaml
index 91cd068..198e4a9 100644
--- a/.github/workflows/build-test.yaml
+++ b/.github/workflows/build-test.yaml
@@ -126,7 +126,7 @@ jobs:
         id: vars
         run: |
           T=${GITHUB_REF#refs/*/}
-          M=${T%%.*}
+          M=${T%.*}
           echo "GIT_TAG=$T" >> $GITHUB_ENV
           echo "MAJOR_TAG=$M" >> $GITHUB_ENV
 
@@ -163,7 +163,7 @@ jobs:
         id: vars
         run: |
           T=${GITHUB_REF#refs/*/}
-          M=${T%%.*}
+          M=${T%.*}
           echo "GIT_TAG=$T" >> $GITHUB_ENV
           echo "MAJOR_TAG=$M" >> $GITHUB_ENV