diff --git a/lnt/tests/test_suite.py b/lnt/tests/test_suite.py
--- a/lnt/tests/test_suite.py
+++ b/lnt/tests/test_suite.py
@@ -80,7 +80,7 @@
             fail;*;*;*;
         {%- else -%}
             pass;{{ test.metrics.compile_time if test.metrics }};\
-{{ test.metrics['size..text'] if test.metrics }};\
+{{ test.metrics['size_text'] if test.metrics }};\
 {{ test.metrics.hash if test.metrics }};
         {%- endif -%}
         {%- if test.code == "FAIL" or test.code == "NOEXE" -%}
@@ -713,7 +713,7 @@
             'score': 'score',
             'hash': 'hash',
             'link_time': 'compile',
-            'size..text': 'code_size',
+            'size_text': 'code_size',
             'mem_bytes': 'mem',
             'link_mem_bytes': 'mem'
         }
@@ -723,7 +723,7 @@
             'score': float,
             'hash': str,
             'link_time': float,
-            'size..text': float,
+            'size_text': float,
             'mem_bytes': float,
             'link_mem_bytes': float
         }