diff --git a/scripts/coverage-llvm.sh b/scripts/coverage-llvm.sh
index 9a4083c..0d30bde 100755
--- a/scripts/coverage-llvm.sh
+++ b/scripts/coverage-llvm.sh
@@ -177,7 +177,7 @@ if command -v genhtml >/dev/null 2>&1; then
         --title "Omath Coverage Report" \
         --show-details \
         --legend \
-        --demangle-cpp \
+        --demangle-cpp c++filt \
         --num-spaces 4 \
         --sort-tables \
         --function-coverage \