diff --git a/src/test/fuzz/descriptor_parse.cpp b/src/test/fuzz/descriptor_parse.cpp
index 2dd55fda84ba7f..4a2ad65fd0c224 100644
--- a/src/test/fuzz/descriptor_parse.cpp
+++ b/src/test/fuzz/descriptor_parse.cpp
@@ -151,7 +151,7 @@ static void TestDescriptor(const Descriptor& desc, FlatSigningProvider& sig_prov
     const auto max_sat_nonmaxsig{desc.MaxSatisfactionWeight(true)};
     const auto max_elems{desc.MaxSatisfactionElems()};
     // We must be able to estimate the max satisfaction size for any solvable descriptor (but combo).
-    const bool is_nontop_or_nonsolvable{!is_solvable || !desc.GetOutputType()};
+    const bool is_nontop_or_nonsolvable{!*is_solvable || !desc.GetOutputType()};
     const bool is_input_size_info_set{max_sat_maxsig && max_sat_nonmaxsig && max_elems};
     assert(is_input_size_info_set || is_nontop_or_nonsolvable);
 }