diff --git a/fdroidserver/build.py b/fdroidserver/build.py
index ac9ae552..75539a28 100644
--- a/fdroidserver/build.py
+++ b/fdroidserver/build.py
@@ -952,6 +952,40 @@ def trybuild(app, build, build_dir, output_dir, also_check_dir, srclib_dir, extl
     return True
 
 
+def get_android_tools_versions(sdk_path, ndk_path=None):
+    '''get a list of the versions of all installed Android SDK/NDK components'''
+
+    if sdk_path[-1] != '/':
+        sdk_path += '/'
+    components = []
+    if ndk_path:
+        ndk_release_txt = os.path.join(ndk_path, 'RELEASE.TXT')
+        if os.path.isfile(ndk_release_txt):
+            with open(ndk_release_txt, 'r') as fp:
+                components.append((os.path.basename(ndk_path), fp.read()[:-1]))
+
+    pattern = re.compile('^Pkg.Revision=(.+)', re.MULTILINE)
+    for root, dirs, files in os.walk(sdk_path):
+        if 'source.properties' in files:
+            source_properties = os.path.join(root, 'source.properties')
+            with open(source_properties, 'r') as fp:
+                m = pattern.search(fp.read())
+                if m:
+                    components.append((root[len(sdk_path):], m.group(1)))
+
+    return components
+
+
+def get_android_tools_version_log(sdk_path, ndk_path):
+    '''get a list of the versions of all installed Android SDK/NDK components'''
+    log = ''
+    components = get_android_tools_versions(sdk_path, ndk_path)
+    for name, version in sorted(components):
+        log += '* ' + name + ' (' + version + ')\n'
+
+    return log
+
+
 def parse_commandline():
     """Parse the command line. Returns options, parser."""
 
@@ -1099,6 +1133,8 @@ def main():
 
         for build in app.builds:
             wikilog = None
+            tools_version_log = '== Installed Android Tools ==\n\n'
+            tools_version_log += get_android_tools_version_log(config['sdk_path'], build.ndk_path())
             try:
 
                 # For the first build of a particular app, we need to set up
@@ -1164,6 +1200,9 @@ def main():
                 failed_apps[appid] = e
                 wikilog = str(e)
 
+            if wikilog:
+                wikilog = tools_version_log + '\n\n' + wikilog
+
             if options.wiki and wikilog:
                 try:
                     # Write a page with the last build log for this version code