diff --git a/hooks/pre-commit b/hooks/pre-commit
index 78fcf8ed..dfd608f9 100755
--- a/hooks/pre-commit
+++ b/hooks/pre-commit
@@ -8,7 +8,7 @@ exec 1>&2
 
 files=`git diff-index --cached HEAD 2>&1 | sed 's/^:.*     //' | uniq | cut -b100-500`
 if [ -z "$files" ]; then
-    PY_FILES="fdroid makebuildserver setup.py fdroidserver/*.py examples/*.py tests/gradle-release-checksums.py"
+    PY_FILES="fdroid makebuildserver setup.py fdroidserver/*.py examples/*.py tests/*-release-checksums.py"
     PY_TEST_FILES="tests/*.TestCase"
     SH_FILES="hooks/pre-commit"
     BASH_FILES="gradlew-fdroid jenkins-build-all jenkins-setup-build-environment jenkins-test completion/bash-completion buildserver/provision-*"
diff --git a/tests/ndk-release-checksums.py b/tests/ndk-release-checksums.py
index 4f7574b7..b948abf0 100755
--- a/tests/ndk-release-checksums.py
+++ b/tests/ndk-release-checksums.py
@@ -35,25 +35,20 @@ errors = 0
 release = None
 revision = None
 for k, entries in checksums.items():
-    if k.startswith('https://dl.google.com/android/repository/android-ndk'):
+    if k.endswith('.zip') and k.startswith(
+        'https://dl.google.com/android/repository/android-ndk'
+    ):
         m = re.search(r'-(r[1-9][0-9]?[a-z]?)-linux', k)
         if m:
+            d = {'url': k, 'release': m.group(1), 'sha256': checksums[k][0]['sha256']}
             for entry in entries:
                 if 'source.properties' in entry:
                     n = re.search(
                         r'[1-9][0-9]\.[0-9]\.[0-9]{7}', entry['source.properties']
                     )
                     if n:
-                        release = m.group(1)
-                        revision = n.group()
-                        ndks.append(
-                            {
-                                'url': k,
-                                'release': release,
-                                'revision': revision,
-                                'sha256': checksums[k][0]['sha256'],
-                            }
-                        )
+                        d['revision'] = n.group()
+            ndks.append(d)
             for d in config['NDKS']:
                 if k == d['url']:
                     sha256 = d['sha256']