diff --git a/coverage_report.sh b/coverage_report.sh
index b819c8b..62a86e4 100755
--- a/coverage_report.sh
+++ b/coverage_report.sh
@@ -21,7 +21,7 @@ main() {
     open="1"
   fi
 
-  exc cargo llvm-cov --all-features --workspace --doctests
+  exc cargo llvm-cov --all-features --workspace --doctests --branch
 
   exc rm -rf "${OUTPUT_DIR}"
   exc mkdir -p "${OUTPUT_DIR}"