diff --git a/doc/f00bar.1.scd b/doc/f00bar.1.scd
index d8f8751..894ac89 100644
--- a/doc/f00bar.1.scd
+++ b/doc/f00bar.1.scd
@@ -8,7 +8,7 @@ f00bar - modular status panel for X11 and Wayland
 
 # OPTIONS
 
-*-c, --check-config*
+*-C, --check-config*
 	Verify the configuration and then quit. If no errors are detected,
 	nothing is printed and the exit code is 0. If there are errors,
 	these are printed on stdout and the exit code is non-zero.
diff --git a/main.c b/main.c
index d7a3c83..3131c99 100644
--- a/main.c
+++ b/main.c
@@ -124,7 +124,7 @@ print_usage(const char *prog_name)
     printf("Usage: %s [OPTION]...\n", prog_name);
     printf("\n");
     printf("Options:\n");
-    printf("  -c,--check-config          verify configuration then quit\n"
+    printf("  -C,--check-config          verify configuration then quit\n"
            "  -v,--version               print f00sel version and quit\n");
 }
 
@@ -134,7 +134,7 @@ main(int argc, char *const *argv)
     setlocale(LC_ALL, "");
 
     static const struct option longopts[] = {
-        {"check-config",     no_argument,       0, 'c'},
+        {"check-config",     no_argument,       0, 'C'},
         {"version",          no_argument,       0, 'v'},
         {"help",             no_argument,       0, 'h'},
         {NULL,               no_argument,       0, 0},
@@ -143,7 +143,7 @@ main(int argc, char *const *argv)
     bool verify_config = false;
 
     while (true) {
-        int c = getopt_long(argc, argv, ":cvh", longopts, NULL);
+        int c = getopt_long(argc, argv, ":Cvh", longopts, NULL);
         if (c == -1)
             break;