diff --git a/recipes/boost/all/conanfile.py b/recipes/boost/all/conanfile.py
index 6b74ffc014c1d..da01ad4159f58 100644
--- a/recipes/boost/all/conanfile.py
+++ b/recipes/boost/all/conanfile.py
@@ -879,6 +879,8 @@ def _b2_architecture(self):
             return "mips64"
         elif str(self.settings.arch).startswith("mips"):
             return "mips1"
+        elif str(self.settings.arch).startswith("s390"):
+            return "s390x"
         else:
             return None