diff --git a/include/linux/license.h b/include/linux/license.h
index decdbf4..1176471 100644
--- a/include/linux/license.h
+++ b/include/linux/license.h
@@ -8,7 +8,8 @@ static inline int license_is_gpl_compatible(const char *license)
 		|| strcmp(license, "GPL and additional rights") == 0
 		|| strcmp(license, "Dual BSD/GPL") == 0
 		|| strcmp(license, "Dual MIT/GPL") == 0
-		|| strcmp(license, "Dual MPL/GPL") == 0);
+		|| strcmp(license, "Dual MPL/GPL") == 0
+		|| strcmp(license, "Public Domain") == 0);
 }
 
 #endif
diff --git a/include/linux/module.h b/include/linux/module.h
index e6e0f86..2ecacf8 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -107,6 +107,7 @@ extern struct module __this_module;
  *					 or MIT license choice]
  *	"Dual MPL/GPL"			[GNU Public License v2
  *					 or Mozilla license choice]
+ *	"Public Domain"			[Public domain products]
  *
  * The following other idents are available
  *