diff --git a/appveyor.yml b/appveyor.yml
index e64c6b4..f6eb7b4 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -56,4 +56,3 @@ after_test:
 
 artifacts:
   - path: 'dist\*'
-  - path: 'dist\corrscope'
diff --git a/corrscope.spec b/corrscope.spec
index 1002259..e882ab0 100644
--- a/corrscope.spec
+++ b/corrscope.spec
@@ -1,10 +1,12 @@
 import glob
+import zipfile
+from pathlib import Path
 
 from PyInstaller.building.api import PYZ, EXE, COLLECT
 from PyInstaller.building.build_main import Analysis
 from PyInstaller.building.datastruct import TOC
 
-from corrscope import version
+from corrscope import version as v
 
 
 block_cipher = None
@@ -18,8 +20,11 @@ def keep(dir, wildcard):
 
 datas = keep("corrscope/gui", "*.ui") + keep("corrscope/path", "*")
 
-version.pyinstaller_write_version()
-datas.append((version.version_txt, "."))
+version = v.pyinstaller_write_version()
+datas.append((v.version_txt, "."))
+
+app_name = "corrscope"
+app_name_version = f"{app_name}-{version}"
 
 a = Analysis(
     ["corrscope/__main__.py"],
@@ -38,7 +43,7 @@ a = Analysis(
 
 
 # Some dirs are included by PyInstaller hooks and must be removed after the fact.
-path_excludes = (
+_path_excludes = (
     # Matplotlib
     """
     mpl-data/fonts
@@ -59,7 +64,7 @@ path_excludes = (
     libEGL.dll libGLESv2.dll d3dcompiler_ opengl32sw.dll
     """
 ).split()
-path_excludes = {s.lower() for s in path_excludes}
+path_excludes = {s.lower() for s in _path_excludes}
 
 
 def path_contains(path: str) -> bool:
@@ -89,13 +94,27 @@ exe = EXE(
     a.scripts,
     [],
     exclude_binaries=True,
-    name="corrscope",
+    name=app_name,
     debug=False,
     bootloader_ignore_signals=False,
     strip=False,
     upx=True,
     console=True,
 )
-coll = COLLECT(
-    exe, a.binaries, a.zipfiles, a.datas, strip=False, upx=True, name="corrscope"
+
+class ZipCollect(COLLECT):
+    name: str   # absolute-ish path, != __init__(name=)
+
+    def assemble(self):
+        ret = super().assemble()
+
+        new_name = str(Path(self.name).with_name(app_name_version))
+        with zipfile.ZipFile(new_name + '.zip', 'w', zipfile.ZIP_DEFLATED) as z:
+            z.write(self.name)
+
+        return ret
+
+
+coll = ZipCollect(
+    exe, a.binaries, a.zipfiles, a.datas, strip=False, upx=True, name=app_name
 )
diff --git a/corrscope/version.py b/corrscope/version.py
index d4cfb2c..d070e00 100644
--- a/corrscope/version.py
+++ b/corrscope/version.py
@@ -40,19 +40,24 @@ def get_version() -> str:
         return base_version
 
 
-def pyinstaller_write_version():
-    """ Called only at pyinstaller time.
+def pyinstaller_write_version() -> str:
+    """ Returns version.
+
+    Called only at pyinstaller time.
     Writes to filesystem, does NOT call get_version().
     Filesystem is ignored if version number isn't prerelease (x.y.z-pre).
     """
     build_metadata = _calc_metadata()
+    version = _base_plus_metadata(build_metadata)
 
     with version_txt.open("w") as txt:
-        txt.write(_base_plus_metadata(build_metadata))
+        txt.write(version)
 
     with version_py.open("w") as f:
         f.write(f"{metadata_key} = {repr(build_metadata)}")
 
+    return version
+
 
 # Compute version suffix
 env = {}