diff --git a/expat/CMakeLists.txt b/expat/CMakeLists.txt
index 47179e29..2a6bd94e 100644
--- a/expat/CMakeLists.txt
+++ b/expat/CMakeLists.txt
@@ -799,6 +799,8 @@ if(EXPAT_BUILD_FUZZERS)
                           ${absl_LIBRARIES}
                           ${Protobuf_LIBRARIES}
                           ${ProtobufMutator_LIBRARIES})
+    add_dependencies(xml_lpm_fuzzer ${ProtobufMutator_PREFIX})
+
     # NOTE: Avoiding target_link_options here only because it needs CMake >=3.13
     if(EXPAT_OSSFUZZ_BUILD)
         set_target_properties(xml_lpm_fuzzer PROPERTIES LINK_FLAGS $ENV{LIB_FUZZING_ENGINE})