diff --git a/analytical_engine/core/grape_engine.cc b/analytical_engine/core/grape_engine.cc
index 173d56c36653..bccc59b099aa 100644
--- a/analytical_engine/core/grape_engine.cc
+++ b/analytical_engine/core/grape_engine.cc
@@ -199,6 +199,9 @@ class RedirectLogSink : public google::LogSink {
 };
 
 int main(int argc, char* argv[]) {
+  // set RDMAV_FORK_SAFE to avoid the openmpi error, see also #2812
+  setenv("RDMAV_FORK_SAFE", "1", 0);
+
   int exit_code = 0;
   // not output any log to stderr by glog.
   FLAGS_stderrthreshold = std::numeric_limits<int>::max();