diff --git a/include/hardware/thermal.h b/include/hardware/thermal.h
index b5b6e1d..5db6ee0 100644
--- a/include/hardware/thermal.h
+++ b/include/hardware/thermal.h
@@ -19,6 +19,7 @@
 
 #include <stdbool.h>
 #include <stdint.h>
+#include <float.h>
 #include <sys/cdefs.h>
 #include <sys/types.h>