diff --git a/src/test/fuzz/banman.cpp b/src/test/fuzz/banman.cpp
index bbe8e12b2f9..5b77cddf60c 100644
--- a/src/test/fuzz/banman.cpp
+++ b/src/test/fuzz/banman.cpp
@@ -117,6 +117,9 @@ FUZZ_TARGET(banman, .init = initialize_banman)
                 },
                 [&] {
                     ban_man.Discourage(ConsumeNetAddr(fuzzed_data_provider));
+                },
+                [&] {
+                    ban_man.IsDiscouraged(ConsumeNetAddr(fuzzed_data_provider));
                 });
         }
         if (!force_read_and_write_to_err) {