diff --git a/mongoose.h b/mongoose.h
index 4e72c6bd..79e30e0e 100644
--- a/mongoose.h
+++ b/mongoose.h
@@ -174,6 +174,7 @@ extern "C" {
 #include <stdio.h>
 #include <stdlib.h> // rand(), strtol(), atoi()
 #include <string.h>
+#include <sys/stat.h>
 
 #include <FreeRTOS.h>
 #include <task.h>
diff --git a/src/arch_freertos.h b/src/arch_freertos.h
index 1b0ac87a..eb9615d3 100644
--- a/src/arch_freertos.h
+++ b/src/arch_freertos.h
@@ -11,6 +11,7 @@
 #include <stdio.h>
 #include <stdlib.h> // rand(), strtol(), atoi()
 #include <string.h>
+#include <sys/stat.h>
 
 #include <FreeRTOS.h>
 #include <task.h>