diff --git a/debian/qualify-clang.sh b/debian/qualify-clang.sh
index 972a233b..85d4753f 100755
--- a/debian/qualify-clang.sh
+++ b/debian/qualify-clang.sh
@@ -296,7 +296,7 @@ chmod +x foo.bc
 # only run if the binfmt is installed correctly
 /usr/sbin/update-binfmts --display llvm-$VERSION-runtime.binfmt &> foo.log || true
 if grep -q "interpreter = /usr/bin/lli-" foo.log; then
-    /usr/sbin/update-binfmts --enable llvm-$VERSION-runtime.binfmt
+    /usr/sbin/update-binfmts --enable llvm-$VERSION-runtime.binfmt || true
     if ! ./foo.bc|grep -q "lli foo"; then
         echo "executing ./foo.bc failed"
         ./foo.bc || true