diff --git a/src/compiler/isaspec/isa.py b/src/compiler/isaspec/isa.py
index 3320be76a28..2ef1ec1fa83 100644
--- a/src/compiler/isaspec/isa.py
+++ b/src/compiler/isaspec/isa.py
@@ -288,8 +288,8 @@ class BitSet(object):
             if 'max' in gen.attrib:
                 self.gen_max = int(gen.attrib['max'])
 
-        if xml.find('meta') is not None:
-            self.meta = xml.find('meta').attrib
+        for meta in xml.findall('meta'):
+            self.meta.update(meta.attrib)
 
         # Collect up the match/dontcare/mask bitmasks for
         # this bitset case: