diff --git a/python/graphstorm/gconstruct/utils.py b/python/graphstorm/gconstruct/utils.py
index d2077f632e..5c09449234 100644
--- a/python/graphstorm/gconstruct/utils.py
+++ b/python/graphstorm/gconstruct/utils.py
@@ -42,6 +42,8 @@
 PICKLE_CROSS_PROCESS_STORAGE = "pickle"
 EXT_MEMORY_STORAGE = "ext_memory"
 
+multiprocessing.set_start_method("spawn", force=True)
+
 def _is_numeric(arr):
     """ Check if the input array has the numeric data type.
     """