diff --git a/M01_MasterData/M01_MasterData_Store.py b/M01_MasterData/M01_MasterData_Store.py
index bb40ca84..16508673 100644
--- a/M01_MasterData/M01_MasterData_Store.py
+++ b/M01_MasterData/M01_MasterData_Store.py
@@ -88,10 +88,8 @@ def chapter_of(file: str, data: dict | None = None) -> str:
 
 
 def _hit(row: dict, q: str) -> bool:
-    q = q.lower()
-    return not q or any(
-        q in str(row.get(k, "")).lower() for k in ("키", "원문번호", "이름", "옛이름")
-    )
+    q = _squash(q)  # 띄어쓰기 무시 — 「골 함 석」 ↔ 「함석」
+    return not q or any(q in _squash(row.get(k, "")) for k in ("키", "원문번호", "이름", "옛이름"))
 
 
 def _book(data: dict) -> str | None:
diff --git a/resources/tester/test_m01_pick.py b/resources/tester/test_m01_pick.py
index b891cd4e..b55767e8 100644
--- a/resources/tester/test_m01_pick.py
+++ b/resources/tester/test_m01_pick.py
@@ -143,3 +143,9 @@ def test_재료_줄마다_품목_칸(client) -> None:
         "lines"
     ]
     assert lines[idx]["품목"]["키"] == "MT000019" and "인천" in lines[idx]["품목"]["이름"]
+
+
+def test_목록_검색은_띄어쓰기를_무시(client) -> None:
+    for q in ("함석", "골 함 석", "골함석"):
+        got = client.get("/api/m01/rows", params={"file": "재료_자재품목.json", "q": q}).json()
+        assert any(r["이름"] == "골 함 석" for r in got["rows"]), q