diff --git a/CMakeLists.txt b/CMakeLists.txt
index ad4b968..204bbd7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,7 +16,7 @@ find_package(DataPipes REQUIRED)
 include_directories(${DataPipes_INCLUDE_DIR})
 
 find_package(Ed25519 REQUIRED)
-include_directories(${ed25519_INCLUDE_DIR})
+include_directories(${Ed25519_INCLUDE_DIR})
 
 set(TARGET_LIBRARIES)
 set(FEATURE_LOGGING ON)
diff --git a/src/protocol/CryptHandler.cpp b/src/protocol/CryptHandler.cpp
index b7bd050..4b720ee 100644
--- a/src/protocol/CryptHandler.cpp
+++ b/src/protocol/CryptHandler.cpp
@@ -1,6 +1,6 @@
 //#define NO_OPEN_SSL /* because we're lazy and dont want to build this lib extra for the TeaClient */
 #define FIXEDINT_H_INCLUDED /* else it will be included by ge */
-#include <stdint.h>
+#include <cstdint>
 #include <ed25519/ge.h>
 #include <ed25519/ed25519.h>
 #include <mutex>