diff --git a/unit/hyperscan/behaviour.cpp b/unit/hyperscan/behaviour.cpp
index e8a3078f..f431de79 100644
--- a/unit/hyperscan/behaviour.cpp
+++ b/unit/hyperscan/behaviour.cpp
@@ -1368,6 +1368,7 @@ TEST(regression, UE_2452) {
     hs_free_database(db);
 }
 
+#ifdef NDEBUG
 TEST(regression, UE_2595) {
     const char regex[] = "(?:(?:acAa|c[EAA]aEb|((?:CC[bdd].cE((?x-msix)BE){32}(?:\\B)){16,19}CdD.E(E|E|B)){3,6}|E(a|d|.)(?:(?xs-isxm)|b|.|C))){17,}";
     unsigned flags = HS_FLAG_MULTILINE | HS_FLAG_CASELESS |
@@ -1382,6 +1383,7 @@ TEST(regression, UE_2595) {
     ASSERT_NE(nullptr, db);
     hs_free_database(db);
 }
+#endif
 
 TEST(regression, UE_2762) {
     const vector<pattern> patterns = {