diff --git a/src/Library/Base64.cpp b/src/Library/Base64.cpp
index ddb28dc..0246a13 100644
--- a/src/Library/Base64.cpp
+++ b/src/Library/Base64.cpp
@@ -22,7 +22,6 @@
 
 #include "Base64.hpp"
 #include <stdexcept>
-#include <cstdint>
 
 namespace usbguard
 {
diff --git a/src/Library/Base64.hpp b/src/Library/Base64.hpp
index 0947f21..aa76311 100644
--- a/src/Library/Base64.hpp
+++ b/src/Library/Base64.hpp
@@ -24,6 +24,7 @@
 
 #include <string>
 #include <cstddef>
+#include <cstdint>
 
 namespace usbguard
 {