diff --git a/packages/addons/addon-depends/protobuf/package.mk b/packages/addons/addon-depends/protobuf/package.mk
index 58928b58d1..92a97cea7f 100644
--- a/packages/addons/addon-depends/protobuf/package.mk
+++ b/packages/addons/addon-depends/protobuf/package.mk
@@ -29,7 +29,7 @@ PKG_LONGDESC="protobuf: Protocol Buffers - Google's data interchange format"
 PKG_IS_ADDON="no"
 PKG_AUTORECONF="no"
 
-PKG_CMAKE_SCRIPT="cmake/CMakeLists.txt"
+PKG_CMAKE_SCRIPT="$ROOT/$PKG_BUILD/cmake/CMakeLists.txt"
 
 PKG_CMAKE_OPTS_HOST="-DCMAKE_NO_SYSTEM_FROM_IMPORTED=1 \
                      -DBUILD_SHARED_LIBS=0 \