diff --git a/pyperf/_collect_metadata.py b/pyperf/_collect_metadata.py
index 968bfbaa..edf7c80a 100644
--- a/pyperf/_collect_metadata.py
+++ b/pyperf/_collect_metadata.py
@@ -106,11 +106,11 @@ def collect_python_metadata(metadata):
         if cflags:
             cflags = normalize_text(cflags)
             metadata['python_cflags'] = cflags
-            
-        config_flags = sysconfig.get_config_var('CONFIG_ARGS')
-        if config_flags:
-            config_flags = normalize_text(config_flags)
-            metadata['python_config_args'] = config_flags
+
+        config_args = sysconfig.get_config_var('CONFIG_ARGS')
+        if config_args:
+            config_args = normalize_text(config_args)
+            metadata['python_config_args'] = config_args
 
     # GC disabled?
     try: