diff --git a/pex/cache/data.py b/pex/cache/data.py
index 6b2042180..e3e1f6ab3 100644
--- a/pex/cache/data.py
+++ b/pex/cache/data.py
@@ -209,15 +209,13 @@ def _iter_wheel_dependents(
     chunk_size = 250
     for index in range(0, len(wheel_install_hashes), chunk_size):
         chunk = wheel_install_hashes[index : index + chunk_size]
-        chunk_placeholder = ", ".join(itertools.repeat("?", len(chunk)))
+        chunk_placeholders = ", ".join(itertools.repeat("?", len(chunk)))
         with closing(
             conn.execute(
                 """
-                SELECT DISTINCT zipapps.pex_hash FROM zipapps
-                JOIN zipapp_deps ON zipapp_deps.pex_hash = zipapps.pex_hash
-                WHERE zipapp_deps.wheel_install_hash IN ({chunk})
+                SELECT DISTINCT pex_hash FROM zipapp_deps WHERE wheel_install_hash IN ({chunk})
                 """.format(
-                    chunk=chunk_placeholder
+                    chunk=chunk_placeholders
                 ),
                 chunk,
             )
@@ -234,7 +232,7 @@ def _iter_wheel_dependents(
                 JOIN venv_deps ON venv_deps.venv_hash = venvs.short_hash
                 WHERE venv_deps.wheel_install_hash IN ({chunk})
                 """.format(
-                    chunk=chunk_placeholder
+                    chunk=chunk_placeholders
                 ),
                 chunk,
             )