diff --git a/src/pc.scm b/src/pc.scm
index 6d7ace1..a27e043 100755
--- a/src/pc.scm
+++ b/src/pc.scm
@@ -109,7 +109,7 @@
 
 ;; VALIDATIONS
 ; have they specified the file we're dealing with?
-(if (equal? "UNKNOWN" (alist-ref 'comments-file-path cli-options))
+(if (not (alist-ref 'comments-file-path cli-options))
   (usage))
 
 ; if we're not killing it
diff --git a/src/tests/test_client b/src/tests/test_client
index e1a11ba..9ce0b06 100644
--- a/src/tests/test_client
+++ b/src/tests/test_client
@@ -11,6 +11,11 @@
 #
 source ./test_suite_management.sh
 
+test_1_usage_message() {
+	usage=$($REPO_ROOT/src/pc)
+	assert_equals 0 $?
+}
+
 #
 # # test that it doesn't blow up when there aren't any comments
 test_2_no_comments () {