diff --git a/CMakeLists.txt b/CMakeLists.txt
index c6c334a..8c80538 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -111,6 +111,10 @@ if(BUILD_TESTING)
     COMMAND tmux-mem-cpu-load --colors
     )
 
+  add_test(NAME colors_short
+    COMMAND tmux-mem-cpu-load -c
+    )
+
   add_test(NAME powerline
     COMMAND tmux-mem-cpu-load --powerline
     )
@@ -151,6 +155,22 @@ if(BUILD_TESTING)
     COMMAND tmux-mem-cpu-load -a 3
     )
 
+  add_test(NAME cpu_mode_0
+    COMMAND tmux-mem-cpu-load --cpu-mode 0
+    )
+
+  add_test(NAME cpu_mode_1
+    COMMAND tmux-mem-cpu-load --cpu-mode 1
+    )
+
+  add_test(NAME cpu_mode_short_0
+    COMMAND tmux-mem-cpu-load -t 0
+    )
+
+  add_test(NAME cpu_mode_short_1
+    COMMAND tmux-mem-cpu-load -t 1
+    )
+
   set_tests_properties(usage
     invalid_status_interval
     invalid_graph_lines
diff --git a/common/main.cc b/common/main.cc
index dbd9bb2..211c4be 100644
--- a/common/main.cc
+++ b/common/main.cc
@@ -141,7 +141,7 @@ int main( int argc, char** argv )
 
   int c;
   // while c != -1
-  while( (c = getopt_long( argc, argv, "hi:c:g:m:a:t:", long_options, NULL) ) != -1 )
+  while( (c = getopt_long( argc, argv, "hi:cg:m:a:t:", long_options, NULL) ) != -1 )
   {
     switch( c )
     {