diff --git a/util/build-code_coverage.sh b/util/build-code_coverage.sh
index fdd68a504..d0f464805 100755
--- a/util/build-code_coverage.sh
+++ b/util/build-code_coverage.sh
@@ -56,4 +56,5 @@ if genhtml --version 2>/dev/null 1>&2; then
 else
     grcov . --output-type html --output-path "${COVERAGE_REPORT_DIR}" --branch --ignore build.rs --ignore '/*' --ignore '[A-Za-z]:/*' --ignore 'C:/Users/*' --excl-br-line '^\s*((debug_)?assert(_eq|_ne)?!|#\[derive\()'
 fi
+# shellcheck disable=SC2181
 if [ $? -ne 0 ]; then exit 1; fi
diff --git a/util/show-code_coverage.sh b/util/show-code_coverage.sh
index 14042a056..2701d6466 100755
--- a/util/show-code_coverage.sh
+++ b/util/show-code_coverage.sh
@@ -9,7 +9,21 @@ export COVERAGE_REPORT_DIR="${REPO_main_dir}/target/debug/coverage-nix"
 
 if ! "${ME_dir}/build-code_coverage.sh"; then exit 1; fi
 
-case ";$OSID_tags;" in
+# WSL?
+if [ -z "${OSID_tags}" ]; then
+    if [ -e '/proc/sys/fs/binfmt_misc/WSLInterop' ] && (grep '^enabled$' '/proc/sys/fs/binfmt_misc/WSLInterop' >/dev/null); then
+        __="wsl"
+        case ";${OSID_tags};" in ";;") OSID_tags="$__" ;; *";$__;"*) ;; *) OSID_tags="$__;$OSID_tags" ;; esac
+        unset __
+        # Windows version == <major>.<minor>.<build>.<revision>
+        # Release ID; see [Release ID/Version vs Build](https://winreleaseinfoprod.blob.core.windows.net/winreleaseinfoprod/en-US.html)[`@`](https://archive.is/GOj1g)
+        OSID_wsl_build="$(uname -r | sed 's/^[0-9.][0-9.]*-\([0-9][0-9]*\)-.*$/\1/g')"
+        OSID_wsl_revision="$(uname -v | sed 's/^#\([0-9.][0-9.]*\)-.*$/\1/g')"
+        export OSID_wsl_build OSID_wsl_revision
+    fi
+fi
+
+case ";${OSID_tags};" in
     *";wsl;"*) powershell.exe -c "$(wslpath -w "${COVERAGE_REPORT_DIR}"/index.html)" ;;
     *) xdg-open --version >/dev/null 2>&1 && xdg-open "${COVERAGE_REPORT_DIR}"/index.html || echo "report available at '\"${COVERAGE_REPORT_DIR}\"/index.html'" ;;
 esac