diff --git a/fdroidserver/build.py b/fdroidserver/build.py
index 2b119cc0..557f80d9 100644
--- a/fdroidserver/build.py
+++ b/fdroidserver/build.py
@@ -539,6 +539,9 @@ def build_local(app, build, vcs, build_dir, output_dir, log_dir, srclib_dir, ext
 
         gradletasks += ['assemble' + flavors_cmd + 'Release']
 
+        if not config['gradle']:
+            logging.error("Gradle is not found. Please config the gradle path.")
+            common.force_exit(1)
         cmd = [config['gradle']]
         if build.gradleprops:
             cmd += ['-P' + kv for kv in build.gradleprops]