diff --git a/coverage.sh b/coverage.sh
index 7f7f850..d0dba13 100755
--- a/coverage.sh
+++ b/coverage.sh
@@ -10,8 +10,11 @@ cargo test
 
 llvm-profdata merge -sparse target/coverage/prof/*.profraw -o target/coverage/opentally.profdata
 
-llvm-cov show target/coverage/debug/opentally -instr-profile=target/coverage/opentally.profdata -Xdemangler="$HOME/.cargo/bin/rustfilt" \
+# Need "eval" to correctly parse arguments
+eval llvm-cov show target/coverage/debug/opentally -instr-profile=target/coverage/opentally.profdata -Xdemangler="$HOME/.cargo/bin/rustfilt" \
+	$(for file in $(cargo test --no-run --message-format=json 2>/dev/null | jq -r "select(.profile.test == true) | .filenames[]"); do echo -n --object '"'$file'" '; done) \
 	-ignore-filename-regex="$HOME/." \
 	-ignore-filename-regex=numbers/rational_num.rs \
 	-ignore-filename-regex=stv/wasm.rs \
+	-ignore-filename-regex=tests \
 	-format=html --show-instantiations=false --output-dir=target/coverage/html