diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index dd189533..91495964 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,5 +1,5 @@
 set(CMAKE_CXX_STANDARD 17)
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Werror -fPIC")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Werror -Wno-conversion -fPIC")
 if (APPLE)
 # This should be considered as a temporary fix until resolved in the nlohmann/json submodule
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-deprecated-declarations")
diff --git a/src/avitab/apps/HeaderApp.cpp b/src/avitab/apps/HeaderApp.cpp
index 6b2a2852..c88d111c 100644
--- a/src/avitab/apps/HeaderApp.cpp
+++ b/src/avitab/apps/HeaderApp.cpp
@@ -17,6 +17,7 @@
  */
 #include <algorithm>
 #include <iomanip>
+#include <sstream>
 #include "HeaderApp.h"
 #include "src/platform/Platform.h"
 #include "src/Logger.h"