diff --git a/utils/ccc-analyzer b/utils/ccc-analyzer
index d9d4f1c..1fa0779 100755
--- a/utils/ccc-analyzer
+++ b/utils/ccc-analyzer
@@ -275,7 +275,7 @@
 
 # Get the output format.
 my $OutputFormat = $ENV{'CCC_ANALYZER_OUTPUT_FORMAT'};
-if (!defined OutputFormat) { $OutputFormat = "html"; }
+if (!defined $OutputFormat) { $OutputFormat = "html"; }
 
 # Determine the level of verbosity.
 my $Verbose = 0;