diff --git a/tests/regress/sparc_reg.py b/tests/regress/sparc_reg.py
index 03832de..4508efa 100755
--- a/tests/regress/sparc_reg.py
+++ b/tests/regress/sparc_reg.py
@@ -5,7 +5,7 @@ from unicorn.sparc_const import *
 
 PAGE_SIZE = 1 * 1024 * 1024
 
-uc = Uc(UC_ARCH_SPARC, UC_MODE_32)
+uc = Uc(UC_ARCH_SPARC, 0)
 uc.reg_write(UC_SPARC_REG_SP, 100)
 uc.reg_write(UC_SPARC_REG_FP, 200)