diff --git a/examples/printerdemo/cpp/main.cpp b/examples/printerdemo/cpp/main.cpp
index c7b34fcc9..fe4595bc8 100644
--- a/examples/printerdemo/cpp/main.cpp
+++ b/examples/printerdemo/cpp/main.cpp
@@ -9,6 +9,8 @@
 LICENSE END */
 #include "printerdemo.h"
 
+#include <ctime>
+
 struct InkLevelModel : sixtyfps::Model<InkLevel>
 {
     int row_count() const override { return m_data.size(); }
diff --git a/examples/printerdemo/cpp_interpreted/main.cpp b/examples/printerdemo/cpp_interpreted/main.cpp
index 557a657ef..96068da37 100644
--- a/examples/printerdemo/cpp_interpreted/main.cpp
+++ b/examples/printerdemo/cpp_interpreted/main.cpp
@@ -9,6 +9,8 @@
 LICENSE END */
 #include <sixtyfps_interpreter.h>
 
+#include <ctime>
+
 using sixtyfps::interpreter::Value;
 
 struct InkLevelModel : sixtyfps::Model<Value>