diff --git a/man/groupdel.8.xml b/man/groupdel.8.xml
index 41116617..d06db096 100644
--- a/man/groupdel.8.xml
+++ b/man/groupdel.8.xml
@@ -91,6 +91,17 @@
       are:
     </para>
     <variablelist remap='IP'>
+      <varlistentry>
+	<term>
+	  <option>-f</option>, <option>--force</option>
+	</term>
+	<listitem>
+	  <para>
+      This option forces the removal of the group, even if there's some user
+      having the group as the primary one.
+	  </para>
+	</listitem>
+      </varlistentry>
       <varlistentry>
 	<term><option>-h</option>, <option>--help</option></term>
 	<listitem>
diff --git a/src/groupdel.c b/src/groupdel.c
index f941a84a..6a6c5339 100644
--- a/src/groupdel.c
+++ b/src/groupdel.c
@@ -323,6 +323,7 @@ static void process_flags (int argc, char **argv)
 	int c;
 	static struct option long_options[] = {
 		{"help", no_argument,       NULL, 'h'},
+		{"force", no_argument,      NULL, 'f'},
 		{"root", required_argument, NULL, 'R'},
 		{"prefix", required_argument, NULL, 'P'},
 		{NULL, 0, NULL, '\0'}