diff --git a/RecastDemo/Source/InputGeom.cpp b/RecastDemo/Source/InputGeom.cpp
index f15b9e04..49395213 100644
--- a/RecastDemo/Source/InputGeom.cpp
+++ b/RecastDemo/Source/InputGeom.cpp
@@ -672,7 +672,7 @@ void InputGeom::addOffMeshConnection(
 	offmeshConnBidirectional.emplace_back(bidir);
 	offmeshConnArea.emplace_back(area);
 	offmeshConnFlags.emplace_back(flags);
-	offmeshConnId.emplace_back(1000 + (offmeshConnArea.size() - 1));
+	offmeshConnId.emplace_back(1000 + (static_cast<unsigned int>(offmeshConnArea.size()) - 1));
 }
 
 void InputGeom::deleteOffMeshConnection(int i)
diff --git a/RecastDemo/Source/SampleInterfaces.cpp b/RecastDemo/Source/SampleInterfaces.cpp
index 355a80cb..f7f5e1c9 100644
--- a/RecastDemo/Source/SampleInterfaces.cpp
+++ b/RecastDemo/Source/SampleInterfaces.cpp
@@ -2,6 +2,8 @@
 
 #include "SDL_opengl.h"
 
+#include <algorithm>
+
 #ifdef WIN32
 #	define snprintf _snprintf
 #	include <io.h>