diff --git a/src/manage/installs.py b/src/manage/installs.py
index c556b99..869ba48 100644
--- a/src/manage/installs.py
+++ b/src/manage/installs.py
@@ -210,13 +210,17 @@ def get_matching_install_tags(
     # If none or only prereleases, keep them all
     if default_platform:
         default_platform = default_platform.casefold()
+        all_pre = all(Version(i["sort-version"]).is_prerelease for i, t in best)
         best2 = best
         best = [(i, t) for i, t in best
                 if i.get("__any-platform")
                 or t["tag"].casefold().endswith(default_platform)]
         LOGGER.debug("default_platform '%s' matched %s %s", default_platform,
                      len(best), "install" if len(best) == 1 else "installs")
-        if not best or all(Version(i["sort-version"]).is_prerelease for i, t in best):
+        if (
+            not best or
+            (not all_pre and all(Version(i["sort-version"]).is_prerelease for i, t in best))
+        ):
             LOGGER.debug("Reusing unfiltered list")
             best = best2
 
diff --git a/tests/test_indexutils.py b/tests/test_indexutils.py
index 007c6c3..b60f40c 100644
--- a/tests/test_indexutils.py
+++ b/tests/test_indexutils.py
@@ -180,4 +180,6 @@ def test_select_package():
         ],
     })
     assert select_package([index], "3.13", "-64")["tag"] == "3.13.0-64"
+    assert select_package([index], "3.13-32", "-64")["tag"] == "3.13.0-32"
     assert select_package([index], "3.13", "-32")["tag"] == "3.13.0-32"
+    assert select_package([index], "3.13-64", "-32")["tag"] == "3.13.0-64"
diff --git a/tests/test_installs.py b/tests/test_installs.py
index 48e007d..f837620 100644
--- a/tests/test_installs.py
+++ b/tests/test_installs.py
@@ -6,10 +6,10 @@
 
 
 def make_install(tag, **kwargs):
-    run_for = [
-        {"tag": tag, "target": kwargs.get("target", "python.exe")},
-        {"tag": tag, "target": kwargs.get("targetw", "pythonw.exe"), "windowed": 1},
-    ]
+    run_for = []
+    for t in kwargs.get("run_for", [tag]):
+        run_for.append({"tag": t, "target": kwargs.get("target", "python.exe")})
+        run_for.append({"tag": t, "target": kwargs.get("targetw", "pythonw.exe"), "windowed": 1})
 
     return {
         "company": kwargs.get("company", "PythonCore"),
@@ -40,9 +40,9 @@ def fake_get_installs(install_dir):
 
 def fake_get_installs2(install_dir):
     yield make_install("1.0-32", sort_version="1.0")
-    yield make_install("3.0a1-32", sort_version="3.0a1")
-    yield make_install("3.0a1-64", sort_version="3.0a1")
-    yield make_install("3.0a1-arm64", sort_version="3.0a1")
+    yield make_install("3.0a1-32", sort_version="3.0a1", run_for=["3-32", "3.0-32", "3.0a1-32"])
+    yield make_install("3.0a1-64", sort_version="3.0a1", run_for=["3-64", "3.0-64", "3.0a1-64"])
+    yield make_install("3.0a1-arm64", sort_version="3.0a1", run_for=["3-arm64", "3.0-arm64", "3.0a1-arm64"])
 
 
 def fake_get_unmanaged_installs():
@@ -161,6 +161,15 @@ def test_get_install_to_run_with_default_platform_prerelease(patched_installs2):
     assert i["id"] == "PythonCore-1.0-32"
 
 
+def test_get_install_to_run_with_platform_prerelease(patched_installs2):
+    i = installs.get_install_to_run("<none>", None, "3", default_platform="-32")
+    assert i["id"] == "PythonCore-3.0a1-32"
+    i = installs.get_install_to_run("<none>", None, "3-32", default_platform="-64")
+    assert i["id"] == "PythonCore-3.0a1-32"
+    i = installs.get_install_to_run("<none>", None, "3-32", default_platform="-arm64")
+    assert i["id"] == "PythonCore-3.0a1-32"
+
+
 def test_get_install_to_run_with_range(patched_installs):
     i = installs.get_install_to_run("<none>", None, "<=1.0")
     assert i["id"] == "PythonCore-1.0"