diff --git a/test/append.t b/test/append.t
index 46b8b3e89..a63b22719 100755
--- a/test/append.t
+++ b/test/append.t
@@ -28,7 +28,7 @@
 
 use strict;
 use warnings;
-use Test::More tests => 6;
+use Test::More tests => 7;
 
 # Create the rc file.
 if (open my $fh, '>', 'append.rc')
@@ -38,12 +38,16 @@ if (open my $fh, '>', 'append.rc')
   ok (-r 'append.rc', 'Created append.rc');
 }
 
-# Add a task, then append more decsription.
+# Add a task, then append more description.
 qx{../src/task rc:append.rc add foo};
 qx{../src/task rc:append.rc 1 append bar};
 my $output = qx{../src/task rc:append.rc info 1};
 like ($output, qr/Description\s+foo\sbar\n/, 'append worked');
 
+# Should cause an error when nothing is appended.
+$output = qx{../src/task rc:append.rc append 1};
+unlike ($output, qr/Appended 0 tasks/, 'blank append failed');
+
 # Cleanup.
 unlink 'pending.data';
 ok (!-r 'pending.data', 'Removed pending.data');
diff --git a/test/prepend.t b/test/prepend.t
index 2f1906435..c2f71fe65 100755
--- a/test/prepend.t
+++ b/test/prepend.t
@@ -28,7 +28,7 @@
 
 use strict;
 use warnings;
-use Test::More tests => 6;
+use Test::More tests => 7;
 
 # Create the rc file.
 if (open my $fh, '>', 'prepend.rc')
@@ -44,6 +44,10 @@ qx{../src/task rc:prepend.rc 1 prepend foo};
 my $output = qx{../src/task rc:prepend.rc info 1};
 like ($output, qr/Description\s+foo\sbar\n/, 'prepend worked');
 
+# Should cause an error when nothing is appended.
+$output = qx{../src/task rc:prepend.rc prepend 1};
+unlike ($output, qr/Prepended 0 tasks/, 'blank prepend failed');
+
 # Cleanup.
 unlink 'pending.data';
 ok (!-r 'pending.data', 'Removed pending.data');