diff --git a/CHANGELOG.md b/CHANGELOG.md
index a45850d2..a436ec2f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@
 
 - Blog posts for releases 0.43.0 through 0.52.0, including the 0.50.1 cleanup patch
 
+### Fixed
+
+- Parallel runs count tests under relative hidden paths and keep their results separate from matching visible paths (#1393)
+
 ### Changed
 
 - Large provider and annotation maps use an index instead of scanning earlier entries, speeding up test files on Bash 3.0 and newer (#1392)
diff --git a/src/state/parallel.sh b/src/state/parallel.sh
index 70634f87..5eecfee5 100644
--- a/src/state/parallel.sh
+++ b/src/state/parallel.sh
@@ -26,13 +26,10 @@ function bashunit::state::aggregate_parallel_results() {
   local total_snapshot=0
 
   local script_dir=""
-  for script_dir in "$temp_dir_parallel_test_suite"/*; do
-    # nullglob is enabled below, for the inner glob, and so does not cover this
-    # one: when no worker ran, this loop iterates once over the pattern itself.
-    # That phantom directory has no `.result` files, so the branch below printed
-    # `No tests found` onto stdout on top of the notice the summary renders --
-    # twice on the console, and ahead of the document under `--output`, which
-    # made the JSON and the XML of an empty run unparseable.
+  # Include hidden keys without matching . or .., regardless of dotglob state.
+  for script_dir in "$temp_dir_parallel_test_suite"/[!.]* \
+    "$temp_dir_parallel_test_suite"/.[!.]* "$temp_dir_parallel_test_suite"/..?*; do
+    # Skip unmatched patterns so an empty run keeps machine-readable output valid.
     [ -d "$script_dir" ] || continue
     shopt -s nullglob
     # Bash 3.0 compatible: separate declaration and assignment for arrays
diff --git a/tests/acceptance/bashunit_parallel_consistency_test.sh b/tests/acceptance/bashunit_parallel_consistency_test.sh
index 9a03b3ac..5b40e8b5 100644
--- a/tests/acceptance/bashunit_parallel_consistency_test.sh
+++ b/tests/acceptance/bashunit_parallel_consistency_test.sh
@@ -84,6 +84,65 @@ function test_parallel_does_not_lose_same_named_files_in_different_dirs() {
   assert_contains "2 total" "$sequential_counts"
 }
 
+function test_parallel_counts_tests_under_a_hidden_relative_dir() {
+  local dir runner="$PWD/bashunit" env_file="$PWD/$TEST_ENV_FILE"
+  dir="$(bashunit::temp_dir hidden_parallel)"
+  local passing=".hidden-tests/hidden_pass_test.sh"
+  local failing=".hidden-tests/hidden_fail_test.sh"
+  mkdir -p "$dir/.hidden-tests"
+  printf 'function test_hidden_pass() { assert_same 1 1; }\n' >"$dir/$passing"
+  printf 'function test_hidden_fail() { assert_same 1 2; }\n' >"$dir/$failing"
+
+  local sequential_output
+  sequential_output=$(cd "$dir" && NO_COLOR=1 "$runner" --no-parallel --env "$env_file" \
+    "$passing" "$failing" 2>&1) || true
+  local parallel_output
+  parallel_output=$(cd "$dir" && NO_COLOR=1 "$runner" --parallel --env "$env_file" "$passing" "$failing" 2>&1) || true
+
+  local sequential_counts parallel_counts
+  sequential_counts=$(summary_counts "$sequential_output")
+  parallel_counts=$(summary_counts "$parallel_output")
+
+  assert_same "$sequential_counts" "$parallel_counts"
+  # Guard against both sides collapsing to nothing and matching vacuously.
+  assert_contains "2 total" "$sequential_counts"
+}
+
+function test_parallel_keeps_hidden_and_visible_paths_distinct() {
+  local dir runner="$PWD/bashunit" env_file="$PWD/$TEST_ENV_FILE"
+  dir="$(bashunit::temp_dir hidden_visible_parallel)"
+  mkdir -p "$dir/tests" "$dir/.tests"
+  printf 'function test_visible_path_fails() { assert_same 1 2; }\n' >"$dir/tests/example_test.sh"
+  printf 'function test_hidden_path_passes() { assert_same 1 1; }\n' >"$dir/.tests/example_test.sh"
+
+  local sequential_output parallel_output sequential_status=0 parallel_status=0
+  sequential_output=$(cd "$dir" && NO_COLOR=1 "$runner" --no-parallel --env "$env_file" \
+    tests/example_test.sh .tests/example_test.sh 2>&1) || sequential_status=$?
+  # One job makes the hidden file overwrite the visible file deterministically if their keys collide.
+  parallel_output=$(cd "$dir" && NO_COLOR=1 "$runner" --parallel --jobs 1 --env "$env_file" \
+    tests/example_test.sh .tests/example_test.sh 2>&1) || parallel_status=$?
+
+  assert_same "1" "$sequential_status"
+  assert_same "$sequential_status" "$parallel_status"
+  assert_same "$(summary_counts "$sequential_output")" "$(summary_counts "$parallel_output")"
+  assert_contains "2 total" "$(summary_counts "$parallel_output")"
+}
+
+function test_parallel_preserves_result_keys_at_the_filename_limit() {
+  local dir runner="$PWD/bashunit" env_file="$PWD/$TEST_ENV_FILE" filename
+  dir="$(bashunit::temp_dir parallel_long_path)"
+  filename="$(printf '%0247d_test.sh' 0)"
+  mkdir -p "$dir/ab"
+  printf 'function test_long_path_passes() { assert_same 1 1; }\n' >"$dir/ab/$filename"
+
+  local output status=0
+  output=$(cd "$dir" && NO_COLOR=1 "$runner" --parallel --jobs 1 --env "$env_file" \
+    "ab/$filename" 2>&1) || status=$?
+
+  assert_same "0" "$status"
+  assert_contains "1 passed 1 total" "$(summary_counts "$output")"
+}
+
 # The shape #1048 reported: a zero-test summary in front of the real one. The
 # source of that stray summary was never reproduced -- 40+ local attempts,
 # including under concurrent load, never produced one -- so this pins the