--- a/plugin_i2c_sensors.c
+++ b/plugin_i2c_sensors.c
@@ -76,6 +76,8 @@
 #include "qprintf.h"
 #include "evaluator.h"		// if strndup() is not available
 
+#include <linux/limits.h>
+
 #ifdef WITH_DMALLOC
 #include <dmalloc.h>
 #endif