diff --git a/uppsrc/Core/SSL/Socket.icpp b/uppsrc/Core/SSL/Socket.icpp
index 88b587b1d..68c37082a 100644
--- a/uppsrc/Core/SSL/Socket.icpp
+++ b/uppsrc/Core/SSL/Socket.icpp
@@ -123,7 +123,7 @@ bool TcpSocket::SSLImp::Start()
 		SetSSLError("Start: SSL_new");
 		return false;
 	}
-	if(!SSL_set_fd(ssl, socket.GetSOCKET())) {
+	if(!SSL_set_fd(ssl, (int)socket.GetSOCKET())) {
 		SetSSLError("Start: SSL_set_fd");
 		return false;
 	}
diff --git a/uppsrc/Sql/SqlCase.cpp b/uppsrc/Sql/SqlCase.cpp
index e309856d6..3baf201a3 100644
--- a/uppsrc/Sql/SqlCase.cpp
+++ b/uppsrc/Sql/SqlCase.cpp
@@ -321,7 +321,7 @@ String SqlFormat(const char *s, int l)
 
 String SqlFormat(const char *s)
 {
-	return SqlFormat(s, strlen(s));
+	return SqlFormat(s, (int)strlen(s));
 }
 
 String SqlFormat(const String& x)
diff --git a/uppsrc/plugin/png/pngupp.cpp b/uppsrc/plugin/png/pngupp.cpp
index 41505ac52..4bc34e60a 100644
--- a/uppsrc/plugin/png/pngupp.cpp
+++ b/uppsrc/plugin/png/pngupp.cpp
@@ -231,7 +231,7 @@ bool PNGRaster::Create()
 	}
 */
 
-	data->row_bytes = png_get_rowbytes(data->png_ptr, data->info_ptr);
+	data->row_bytes = (int)png_get_rowbytes(data->png_ptr, data->info_ptr);
 	data->next_row = 0;
 	data->preload = (interlace_type != PNG_INTERLACE_NONE);
 	data->loaded = false;