diff --git a/compiler/src/main/cpp/capnpc-java.c++ b/compiler/src/main/cpp/capnpc-java.c++
index a787b51..f7c5c08 100644
--- a/compiler/src/main/cpp/capnpc-java.c++
+++ b/compiler/src/main/cpp/capnpc-java.c++
@@ -53,7 +53,7 @@
 namespace capnp {
 namespace {
 
-static constexpr uint64_t OUTER_CLASSNAME_ANNOTATION_ID = 0x9b066bb4881f7cd3;
+static constexpr uint64_t OUTER_CLASSNAME_ANNOTATION_ID = 0x9b066bb4881f7cd3ull;
 static constexpr uint64_t PACKAGE_ANNOTATION_ID = 0x9ee4c8f803b3b596ull;
 
 static constexpr const char* FIELD_SIZE_NAMES[] = {
diff --git a/compiler/src/main/schema/capnp/java.capnp b/compiler/src/main/schema/capnp/java.capnp
index 508bbae..5c70776 100644
--- a/compiler/src/main/schema/capnp/java.capnp
+++ b/compiler/src/main/schema/capnp/java.capnp
@@ -1,5 +1,5 @@
 @0xc5f1af96651f70ea;
 
-annotation package(file): Text;
+annotation package @0x9ee4c8f803b3b596 (file) : Text;
 
-annotation outerClassname(file): Text;
\ No newline at end of file
+annotation outerClassname @0x9b066bb4881f7cd3 (file) : Text;
\ No newline at end of file