diff --git a/bindings/python/pyx/ccapstone.pyx b/bindings/python/pyx/ccapstone.pyx
index 13c3fbe7..4f45c597 100644
--- a/bindings/python/pyx/ccapstone.pyx
+++ b/bindings/python/pyx/ccapstone.pyx
@@ -23,7 +23,7 @@ class CsDetail(object):
 
         if arch == capstone.CS_ARCH_ARM:
             (self.usermode, self.vector_size, self.vector_data, self.cps_mode, self.cps_flag, \
-                self.cc, self.update_flags, self.writeback, self.operands) = \
+                self.cc, self.update_flags, self.writeback, self.mem_barrier, self.operands) = \
                 arm.get_arch_info(detail.arch.arm)
         elif arch == capstone.CS_ARCH_ARM64:
             (self.cc, self.update_flags, self.writeback, self.operands) = \