1 files changed, 3 insertions, 3 deletions
diff --git a/src/lib/modes/xts/xts.h b/src/lib/modes/xts/xts.h
index 2df18e82f..e751b1644 100644
--- a/src/lib/modes/xts/xts.h
+++ b/src/lib/modes/xts/xts.h
@@ -33,7 +33,7 @@ class BOTAN_DLL XTS_Mode : public Cipher_Mode
 
       void clear() override;
    protected:
-      XTS_Mode(BlockCipher* cipher);
+      explicit XTS_Mode(BlockCipher* cipher);
 
       const byte* tweak() const { return m_tweak.data(); }
 
@@ -55,7 +55,7 @@ class BOTAN_DLL XTS_Mode : public Cipher_Mode
 class BOTAN_DLL XTS_Encryption final : public XTS_Mode
    {
    public:
-      XTS_Encryption(BlockCipher* cipher) : XTS_Mode(cipher) {}
+      explicit XTS_Encryption(BlockCipher* cipher) : XTS_Mode(cipher) {}
 
       void update(secure_vector<byte>& blocks, size_t offset = 0) override;
 
@@ -70,7 +70,7 @@ class BOTAN_DLL XTS_Encryption final : public XTS_Mode
 class BOTAN_DLL XTS_Decryption final : public XTS_Mode
    {
    public:
-      XTS_Decryption(BlockCipher* cipher) : XTS_Mode(cipher) {}
+      explicit XTS_Decryption(BlockCipher* cipher) : XTS_Mode(cipher) {}
 
       void update(secure_vector<byte>& blocks, size_t offset = 0) override;