diff --git a/coverage.sh b/coverage.sh
index ba1b362..189b96b 100755
--- a/coverage.sh
+++ b/coverage.sh
@@ -1,4 +1,6 @@
 #!/bin/bash
+PATH=$PATH:$HOME/.cargo/bin
+
 mkdir -p target/coverage/prof
 rm target/coverage/prof/*.profraw
 
@@ -12,12 +14,12 @@ llvm-profdata merge -sparse target/coverage/prof/*.profraw -o target/coverage/op
 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 > target/coverage/objects
 
 # 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" \
+eval llvm-cov show target/coverage/debug/opentally -instr-profile=target/coverage/opentally.profdata -Xdemangler=rustfilt \
 	$(cat target/coverage/objects) \
-	-ignore-filename-regex="$HOME/." \
-	-ignore-filename-regex=rustc \
-	-ignore-filename-regex=numbers/rational_num.rs \
-	-ignore-filename-regex=stv/gregory/prettytable_html.rs \
-	-ignore-filename-regex=stv/wasm.rs \
-	-ignore-filename-regex=tests \
+	-ignore-filename-regex="/\\\\." \
+	-ignore-filename-regex="^/rustc" \
+	-ignore-filename-regex="src/numbers/rational_num.rs" \
+	-ignore-filename-regex="src/stv/gregory/prettytable_html.rs" \
+	-ignore-filename-regex="src/stv/wasm.rs" \
+	-ignore-filename-regex="tests/" \
 	-format=html --show-instantiations=false --output-dir=target/coverage/html