diff --git a/src/arch/isa_parser.py b/src/arch/isa_parser.py
index 4f69a3f4a7..86f50892ff 100755
--- a/src/arch/isa_parser.py
+++ b/src/arch/isa_parser.py
@@ -1076,7 +1076,7 @@ class MemOperand(Operand):
 
     def makeDecl(self):
         # Declare memory data variable.
-        return '%s %s;\n' % (self.ctype, self.base_name)
+        return '%s %s = {};\n' % (self.ctype, self.base_name)
 
     def makeRead(self, predRead):
         if self.read_code != None: