diff --git a/monitor/nlmon.c b/monitor/nlmon.c
index 6509288d..10105d5a 100644
--- a/monitor/nlmon.c
+++ b/monitor/nlmon.c
@@ -1966,6 +1966,128 @@ static void print_address(unsigned int level, const char *label,
 	print_attr(level, "%s %s", label, addr);
 }
 
+static void print_reason_code(unsigned int level, const char *label,
+				const void *data, uint16_t size)
+{
+	uint16_t rc;
+	/* 802.11-2012, Table 8-36 */
+	static const char *reason_code_table[] = {
+		[0] = "Reserved",
+		[1] = "Unspecified reason",
+		[2] = "Previous authentication no longer valid",
+		[3] = "Leaving",
+		[4] = "Disassociation due to inactivity",
+		[5] = "Disassociated because AP is unable to handle all"
+			" currently associated STAs",
+		[6] = "Class 2 frame received from nonauthenticated STA",
+		[7] = "Class 3 frame received from nonassociated STA",
+		[8] = "Disassociated because sending STA is leaving",
+		[9] = "STA requesting (re)association is not authenticated "
+			"with responding STA",
+		[10] = "Disassociated because the information in the Power "
+			"Capability element is unacceptable",
+		[11] = "Disassociated because the information in the Supported "
+			"Channels element is unacceptable",
+		[12] = "Disassociated due to BSS Transition Management",
+		[13] = "Invalid element",
+		[14] = "MIC failure",
+		[15] = "4-Way Handshake timeout",
+		[16] = "Group Key Handshake timeout",
+		[17] = "Element in 4-Way Handshake different from "
+			"(Re)Association Request/Probe Response/Beacon frame",
+		[18] = "Invalid group cipher",
+		[19] = "Invalid pairwise cipher",
+		[20] = "Invalid AKMP",
+		[21] = "Unsupported RSNE version",
+		[22] = "Invalid RSNE capabilities",
+		[23] = "IEEE 802.1X authentication failed",
+		[24] = "Cipher suite rejected because of the security policy",
+		[25] = "TDLS direct-link teardown due to TDLS peer STA "
+			"unreachable via the TDLS direct link",
+		[26] = "TDLS direct-link teardown for unspecified reason",
+		[27] = "Disassociated because session terminated by SSP "
+			"request",
+		[28] = "Disassociated because of lack of SSP roaming agreement",
+		[29] = "Requested service rejected because of SSP cipher "
+			"suite or AKM requirement",
+		[30] = "Requested service not authorized in this location",
+		[31] = "TS deleted because QoS AP lacks sufficient bandwidth "
+			"for this QoS STA due to a change in BSS service "
+			"characteristics or operational mode",
+		[32] = "Disassociated for unspecified, QoS-related reason",
+		[33] = "Disassociated because QoS AP lacks sufficient "
+			"bandwidth for this QoS STA",
+		[34] = "Disassociated because excessive number of frames need "
+			"to be acknowledged, but are not acknowledged due to "
+			"AP transmissions and/or poor channel conditions",
+		[35] = "Disassociated because STA is transmitting outside the "
+			"limits of its TXOPs",
+		[36] = "Requested from peer STA as the STA is leaving",
+		[37] = "Requested from peer STA as it does not want to use the "
+			"mechanism",
+		[38] = "Requested from peer STA as the STA received frames "
+			"using the mechanism for which a setup is required",
+		[39] = "Requested from peer STA due to timeout",
+		[40 ... 44] = "Reserved",
+		[45] = "Peer STA does not support the requested cipher suite",
+		[46] = "The teardown was initiated by the DLS peer | "
+			"Disassociated because authorized access limit reached",
+		[47] = "The teardown was initiated by the AP | "
+			"Disassociated due to external service requirements",
+		[48] = "Invalid FT Action frame count",
+		[49] = "Invalid PMKI",
+		[50] = "Invalid MDE",
+		[51] = "Invalid FTE",
+		[52] = "SME cancels the mesh peering instance with the reason "
+			"other than reaching the maximum number of peer mesh "
+			"STAs",
+		[53] = "The mesh STA has reached the supported maximum number "
+			"of peer mesh STAs",
+		[54] = "The received information violates the Mesh "
+			"Configuration policy configured in the mesh STA "
+			"profile",
+		[55] = "The mesh STA has received a Mesh Peering Close message "
+			"requesting to close the mesh peering.",
+		[56] = "The mesh STA has resent dot11MeshMaxRetries Mesh "
+			"Peering Open messages, without receiving a Mesh "
+			"Peering Confirm message.",
+		[57] = "The confirmTimer for the mesh peering instance times "
+			"out.",
+		[58] = "The mesh STA fails to unwrap the GTK or the values in "
+			"the wrapped contents do not match",
+		[59] = "The mesh STA receives inconsistent information about "
+			"the mesh parameters between Mesh Peering Management "
+			"frames",
+		[60] = "The mesh STA fails the authenticated mesh peering "
+			"exchange because due to failure in selecting either "
+			"the pairwise ciphersuite or group ciphersuite",
+		[61] = "The mesh STA does not have proxy information for this "
+			"external destination.",
+		[62] = "The mesh STA does not have forwarding information for "
+			"this destination.",
+		[63] = "The mesh STA determines that the link to the next hop "
+			"of an active path in its forwarding information is "
+			"no longer usable.",
+		[64] = "The Deauthentication frame was sent because the MAC "
+			"address of the STA already exists in the mesh BSS. "
+			"See 10.3.6.",
+		[65] = "The mesh STA performs channel switch to meet "
+			"regulatory requirements.",
+		[66] = "The mesh STA performs channel switch with unspecified "
+			"reason.",
+	};
+
+	if (size != 2)
+		return;
+
+	rc = *((uint16_t *) data);
+
+	if (rc >= L_ARRAY_SIZE(reason_code_table))
+		print_attr(level, "%s: Reserved", label);
+	else
+		print_attr(level, "%s: %s", label, reason_code_table[rc]);
+}
+
 static void print_mpdu_frame_control(unsigned int level,
 						const struct mpdu_fc *fc)
 {
@@ -2696,7 +2818,8 @@ static const struct attr_entry attr_table[] = {
 	{ NL80211_ATTR_AUTH_TYPE,
 			"Auth Type", ATTR_U32 },
 	{ NL80211_ATTR_REASON_CODE,
-			"Reason Code", ATTR_U16 },
+			"Reason Code", ATTR_CUSTOM,
+				{ .function = print_reason_code } },
 	{ NL80211_ATTR_KEY_TYPE,
 			"Key Type", ATTR_U32 },
 	{ NL80211_ATTR_MAX_SCAN_IE_LEN,