diff --git a/.github/workflows/linux_server_build.yml b/.github/workflows/linux_server_build.yml
index 407e9993cc..83866ba32e 100644
--- a/.github/workflows/linux_server_build.yml
+++ b/.github/workflows/linux_server_build.yml
@@ -184,7 +184,8 @@ jobs:
           echo "RELEASE_NUMBER=${{ github.run_number }}" >> $GITHUB_ENV
         else # tagged
           echo "DEBVERSION=${{ github.ref_name }}-$GIT_COMMIT_SHORT-${{ matrix.os }}" >> $GITHUB_ENV
-          echo "RPMVERSION=${{ github.ref_name }}.$GIT_COMMIT_SHORT" >> $GITHUB_ENV
+          # We remove all dash characters from RPM versions, because rpmbuild doesn't allow dashes in version numbers.
+          echo "RPMVERSION=${{ github.ref_name }}//-.$GIT_COMMIT_SHORT" >> $GITHUB_ENV
         fi
 
         if [ "${{ github.ref_type }}" == "tag" ]; then  # tagged