diff --git a/src/mpdu.c b/src/mpdu.c
index 6abf2ac9..3fcb2ac1 100644
--- a/src/mpdu.c
+++ b/src/mpdu.c
@@ -153,6 +153,9 @@ static bool validate_mgmt_mpdu(const struct mmpdu_header *mpdu, int len,
 		return validate_authentication_mmpdu(mpdu, len, offset);
 	case MPDU_MANAGEMENT_SUBTYPE_DEAUTHENTICATION:
 		return validate_deauthentication_mmpdu(mpdu, len, offset);
+	case MPDU_MANAGEMENT_SUBTYPE_ACTION:
+	case MPDU_MANAGEMENT_SUBTYPE_ACTION_NO_ACK:
+		return true;
 	default:
 		return false;
 	}
diff --git a/src/mpdu.h b/src/mpdu.h
index 389b9b74..0c1b3c30 100644
--- a/src/mpdu.h
+++ b/src/mpdu.h
@@ -33,7 +33,7 @@ enum mpdu_type {
 	MPDU_TYPE_MANAGEMENT = 0,
 };
 
-/* 802.11, Table 8-1 "Valid type and subtype combinations" */
+/* 802.11-2016, Table 9-1 "Valid type and subtype combinations" */
 enum mpdu_management_subtype {
 	MPDU_MANAGEMENT_SUBTYPE_ASSOCIATION_REQUEST    = 0x0,
 	MPDU_MANAGEMENT_SUBTYPE_ASSOCIATION_RESPONSE   = 0x1,
@@ -47,6 +47,8 @@ enum mpdu_management_subtype {
 	MPDU_MANAGEMENT_SUBTYPE_DISASSOCIATION         = 0xA,
 	MPDU_MANAGEMENT_SUBTYPE_AUTHENTICATION         = 0xB,
 	MPDU_MANAGEMENT_SUBTYPE_DEAUTHENTICATION       = 0xC,
+	MPDU_MANAGEMENT_SUBTYPE_ACTION                 = 0xD,
+	MPDU_MANAGEMENT_SUBTYPE_ACTION_NO_ACK          = 0xE,
 };
 
 /* 802.11, Section 8.4.1.1 Authentication Algorithm Number field */