diff --git a/cmake/grpc.cmake b/cmake/grpc.cmake
index d722565..1900b8e 100644
--- a/cmake/grpc.cmake
+++ b/cmake/grpc.cmake
@@ -1,8 +1,10 @@
 set(protobuf_INSTALL OFF CACHE BOOL "Install protobuf binaries and files")
 set(protobuf_BUILD_TESTS OFF CACHE BOOL "Build protobuf tests")
 set(protobuf_BUILD_PROTOC_BINARIES OFF CACHE BOOL "Build libprotoc and protoc compiler")
+set(protobuf_BUILD_LIBUPB OFF CACHE BOOL "Build libupb")
 set(protobuf_BUILD_SHARED_LIBS OFF CACHE BOOL "Build protobuf Shared Libraries")
 set(protobuf_DISABLE_RTTI ON CACHE BOOL "Remove runtime type information in the binaries")
+set(protobuf_WITH_ZLIB OFF CACHE BOOL "Build with zlib support")
 
 set(utf8_range_ENABLE_TESTS OFF CACHE BOOL "Build test suite")
 set(utf8_range_ENABLE_INSTALL OFF CACHE BOOL "Configure installation")
diff --git a/scripts/release/linux_aarch64/p2pool_linux_aarch64.sh b/scripts/release/linux_aarch64/p2pool_linux_aarch64.sh
index 185c90d..0ef88c3 100755
--- a/scripts/release/linux_aarch64/p2pool_linux_aarch64.sh
+++ b/scripts/release/linux_aarch64/p2pool_linux_aarch64.sh
@@ -3,7 +3,7 @@ set -e
 
 cd /p2pool
 git fetch --jobs=$(nproc)
-git checkout $3
+git checkout $2
 git submodule update --recursive --jobs $(nproc)
 
 export TZ=UTC0