diff --git a/pgpainless-sop/src/test/java/org/pgpainless/sop/ListProfilesTest.java b/pgpainless-sop/src/test/java/org/pgpainless/sop/ListProfilesTest.java
index 0103bf4d..71b8cc04 100644
--- a/pgpainless-sop/src/test/java/org/pgpainless/sop/ListProfilesTest.java
+++ b/pgpainless-sop/src/test/java/org/pgpainless/sop/ListProfilesTest.java
@@ -31,4 +31,10 @@ public class ListProfilesTest {
         assertThrows(SOPGPException.UnsupportedProfile.class, () ->
                 sop.listProfiles().subcommand("help"));
     }
+
+    @Test
+    public void listProfilesOfNullThrows() {
+        assertThrows(SOPGPException.UnsupportedProfile.class, () ->
+                sop.listProfiles().subcommand(null));
+    }
 }