diff -U2 -r /var/lib/copr-rpmbuild/results/i2pd-git/upstream-unpacked/Source0/i2pd-openssl/libi2pd_client/I2PTunnel.cpp /var/lib/copr-rpmbuild/results/i2pd-git/srpm-unpacked/i2pd-openssl.tar.gz-extract/i2pd-openssl/libi2pd_client/I2PTunnel.cpp
--- /var/lib/copr-rpmbuild/results/i2pd-git/upstream-unpacked/Source0/i2pd-openssl/libi2pd_client/I2PTunnel.cpp	2026-10-18 15:01:02.000000000 +0000
+++ /var/lib/copr-rpmbuild/results/i2pd-git/srpm-unpacked/i2pd-openssl.tar.gz-extract/i2pd-openssl/libi2pd_client/I2PTunnel.cpp	2026-10-18 14:49:01.000000000 +0000
@@ -577,5 +577,5 @@
 		{
 			m_InHeader.clear ();
-			if (m_InHeader.view ().empty ()) m_OutHeader.str (""); // start of response
+			if (m_InHeader.str ().empty ()) m_OutHeader.str (""); // start of response
 			m_InHeader.write ((const char *)buf, len);
 			std::string line;
@@ -617,8 +617,8 @@
 			{
 				m_OutHeader << "\r\n"; // end of header
-				m_OutHeader << m_InHeader.view ().substr (m_InHeader.tellg ()); // data right after header
+				m_OutHeader << m_InHeader.str ().substr (m_InHeader.tellg ()); // data right after header
 				m_InHeader.str ("");
 				m_ResponseHeaderSent = true;
-				I2PTunnelConnection::WriteToStream ((const uint8_t *)m_OutHeader.view ().data (), m_OutHeader.view ().size ());
+				I2PTunnelConnection::WriteToStream ((uint8_t *)m_OutHeader.str ().c_str (), m_OutHeader.str ().length ());
 				m_OutHeader.str ("");
 			}
@@ -673,5 +673,5 @@
 				m_OutPacket << line << '\n';
 		}
-		I2PTunnelConnection::Write ((const uint8_t *)m_OutPacket.view ().data (), m_OutPacket.view ().size ());
+		I2PTunnelConnection::Write ((uint8_t *)m_OutPacket.str ().c_str (), m_OutPacket.str ().length ());
 	}