diff --git a/scripts/update_api.py b/scripts/update_api.py
index 27b4e1827..c92d57698 100755
--- a/scripts/update_api.py
+++ b/scripts/update_api.py
@@ -625,7 +625,7 @@ def mk_java(java_src, java_dir, package_name):
     java_native.write('  public static class StringPtr { public String value; }\n')
     java_native.write('  public static class ObjArrayPtr { public long[] value; }\n')
     java_native.write('  public static class UIntArrayPtr { public int[] value; }\n')
-    java_native.write('  public static class BoolPtr { public boolean[] value; }\n')
+    java_native.write('  public static class BoolPtr { public boolean value; }\n')
     java_native.write('  public static native void setInternalErrorHandler(long ctx);\n\n')
 
     java_native.write('  static {\n')