Fix build

2 files changed, 3 insertions, 1 deletions

diff --git a/src/lib/math/numbertheory/pow_mod.cpp b/src/lib/math/numbertheory/pow_mod.cpp
index 85beacfd1..7b38fad1d 100644
--- a/src/lib/math/numbertheory/pow_mod.cpp
+++ b/src/lib/math/numbertheory/pow_mod.cpp
@@ -148,6 +148,8 @@ Power_Mod::Power_Mod(const BigInt& n, Usage_Hints hints, bool disable_monty)
    set_modulus(n, hints, disable_monty);
    }
 
+Power_Mod::~Power_Mod() { /* for ~unique_ptr */ }
+
 /*
 * Power_Mod Copy Constructor
 */
diff --git a/src/lib/math/numbertheory/pow_mod.h b/src/lib/math/numbertheory/pow_mod.h
index 032be14fe..d179d8c85 100644
--- a/src/lib/math/numbertheory/pow_mod.h
+++ b/src/lib/math/numbertheory/pow_mod.h
@@ -78,7 +78,7 @@ class BOTAN_PUBLIC_API(2,0) Power_Mod
                 Usage_Hints hints = NO_HINTS,
                 bool disable_montgomery_arith = false);
       Power_Mod(const Power_Mod&);
-      virtual ~Power_Mod() = default;
+      virtual ~Power_Mod();
    private:
       mutable std::unique_ptr<Modular_Exponentiator> m_core;
    };