diff --git a/package.json b/package.json
index 3fcd00b23..35dfde00c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@treehouses/cli",
-  "version": "1.25.48",
+  "version": "1.25.49",
   "remote": "4000",
   "description": "Thin command-line interface for Raspberry Pi low level configuration.",
   "main": "cli.sh",
diff --git a/tests/rtc.bats b/tests/rtc.bats
index f36a185af..2a26fb2d0 100755
--- a/tests/rtc.bats
+++ b/tests/rtc.bats
@@ -1,17 +1,32 @@
 #!/usr/bin/env bats
 load test-helper
 
+@test "$clinom rtc on PCF8523 (not supported)" {
+  run "${clicmd}" rtc on PCF8523
+  assert_failure && assert_output -p 'Error: the clock is not supported.'
+}
+
+@test "$clinom rtc on DS1307 (not supported)" {
+  run "${clicmd}" rtc on DS1307
+  assert_failure && assert_output -p 'Error: the clock is not supported.'
+}
+
 @test "$clinom rtc on rasclock" {
   run "${clicmd}" rtc on rasclock
-  assert_success && assert_output -p 'Success'
+  assert_success && assert_output -p 'Success: clock changed. Please reboot'
 }
 
 @test "$clinom rtc on ds3231" {
   run "${clicmd}" rtc on ds3231
-  assert_success && assert_output -p 'Success'
+  assert_success && assert_output -p 'Success: clock changed. Please reboot'
 }
 
 @test "$clinom rtc off" {
   run "${clicmd}" rtc off
-  assert_success && assert_output -p 'Success'
-}
\ No newline at end of file
+  assert_success && assert_output -p 'Success: clock changed. Please reboot'
+}
+
+@test "$clinom rtc on asdf (invalid clock)" {
+  run "${clicmd}" rtc on asdf
+  assert_failure && assert_output -p 'Error: the clock is not supported.'
+}