diff --git a/spacy/tests/test_cli.py b/spacy/tests/test_cli.py
index 838e00369..fd5270c21 100644
--- a/spacy/tests/test_cli.py
+++ b/spacy/tests/test_cli.py
@@ -36,6 +36,7 @@ from spacy.training import Example, docs_to_json, offsets_to_biluo_tags
 from spacy.training.converters import conll_ner_to_docs, conllu_to_docs
 from spacy.training.converters import iob_to_docs
 from spacy.util import ENV_VARS, get_minor_version, load_model_from_config, load_config
+from spacy.util import run_command
 
 from ..cli.init_pipeline import _init_labels
 from .util import make_tempdir
@@ -855,3 +856,9 @@ def test_span_length_freq_dist_output_must_be_correct():
     span_freqs = _get_spans_length_freq_dist(sample_span_lengths, threshold)
     assert sum(span_freqs.values()) >= threshold
     assert list(span_freqs.keys()) == [3, 1, 4, 5, 2]
+
+
+def test_shell_quoting():
+    # simple quoted shell commands should run on any platform
+    ret = run_command('bash -c "echo ok"')
+    assert ret.returncode == 0
diff --git a/spacy/util.py b/spacy/util.py
index d170fc15b..a2ec63295 100644
--- a/spacy/util.py
+++ b/spacy/util.py
@@ -937,12 +937,12 @@ def replace_model_node(model: Model, target: Model, replacement: Model) -> None:
 
 
 def split_command(command: str) -> List[str]:
-    """Split a string command using shlex. Handles platform compatibility.
+    """Split a string command using shlex.
 
     command (str) : The command to split
     RETURNS (List[str]): The split command.
     """
-    return shlex.split(command, posix=not is_windows)
+    return shlex.split(command, posix=True)
 
 
 def join_command(command: List[str]) -> str:
@@ -981,8 +981,9 @@ def run_command(
         cmd_list = command
         cmd_str = " ".join(command)
     try:
+        cmd_to_run = cmd_str if is_windows else cmd_list
         ret = subprocess.run(
-            cmd_list,
+            cmd_to_run,
             env=os.environ.copy(),
             input=stdin,
             encoding="utf8",