diff --git a/Minetestmapper/CMakeLists.txt b/Minetestmapper/CMakeLists.txt
index 1c0732c..758b4fb 100644
--- a/Minetestmapper/CMakeLists.txt
+++ b/Minetestmapper/CMakeLists.txt
@@ -89,12 +89,17 @@ if(USE_POSTGRESQL)
 	endif(WIN32)
 endif()
 
+set(redis_lib "")
+if(USE_REDIS)
+	set(redis_lib ${REDIS_LIBRARY})
+endif()
+
 
 #link_directories (../wingetopt)
 # Fügen Sie der ausführbaren Datei für dieses Projekt eine Quelle hinzu.
 add_executable (Minetestmapper ${sources})
 set_target_properties(Minetestmapper PROPERTIES COMPILE_FLAGS -DBUILDER_STATIC_DEFINE)
-target_link_libraries(Minetestmapper ${wingetopt_lib} ${LIBGD_LIBRARY} ${ZLIB_LIBRARY} ${SQLITE3_LIBRARY} ${leveldb_lib} ${postgresql_lib})
+target_link_libraries(Minetestmapper ${wingetopt_lib} ${LIBGD_LIBRARY} ${ZLIB_LIBRARY} ${SQLITE3_LIBRARY} ${leveldb_lib} ${postgresql_lib} ${redis_lib})
 # TODO: Fügen Sie bei Bedarf Tests und Installationsziele hinzu.
 
 
diff --git a/Minetestmapper/db-redis.cpp b/Minetestmapper/db-redis.cpp
index 9c6d705..ce7d848 100644
--- a/Minetestmapper/db-redis.cpp
+++ b/Minetestmapper/db-redis.cpp
@@ -6,7 +6,6 @@
 #include <sstream>
 #include <fstream>
 #include "db-redis.h"
-#include "types.h"
 #include "Settings.h"
 
 static inline int64_t stoi64(const std::string &s)
@@ -84,11 +83,11 @@ const DB::BlockPosList &DBRedis::getBlockPosList()
 }
 
 
-DB::Block DBRedis::getBlockOnPos(const BlockPos &pos)
+const DB::Block DBRedis::getBlockOnPos(const BlockPos &pos)
 {
 	redisReply *reply;
 	std::string tmp;
-	Block block(pos,reinterpret_cast<const unsigned char *>(""));
+	Block block(pos, {});
 
 	m_blocksQueriedCount++;
 
@@ -97,7 +96,7 @@ DB::Block DBRedis::getBlockOnPos(const BlockPos &pos)
 		throw std::runtime_error(std::string("redis command 'HGET %s %s' failed: ") + ctx->errstr);
 	if (reply->type == REDIS_REPLY_STRING && reply->len != 0) {
 		m_blocksReadCount++;
-		block = Block(pos, ustring(reinterpret_cast<const unsigned char *>(reply->str), reply->len));
+		block = Block(pos, reinterpret_cast<const unsigned char *>(reply->str), reply->len);
 	} else
 		throw std::runtime_error("Got wrong response to 'HGET %s %s' command");
 	freeReplyObject(reply);
diff --git a/Minetestmapper/db-redis.h b/Minetestmapper/db-redis.h
index 197161e..d3c7bb0 100644
--- a/Minetestmapper/db-redis.h
+++ b/Minetestmapper/db-redis.h
@@ -14,7 +14,7 @@ public:
 	virtual int getBlocksQueriedCount(void);
 	virtual int getBlocksReadCount(void);
 	virtual const BlockPosList &getBlockPosList();
-	virtual Block getBlockOnPos(const BlockPos &pos);
+	virtual const Block getBlockOnPos(const BlockPos &pos);
 	~DBRedis();
 private:
 	int m_blocksReadCount;