diff --git a/family_str.c b/family_str.c
index 666b78f..6d11a0e 100644
--- a/family_str.c
+++ b/family_str.c
@@ -81,4 +81,5 @@ const char * const family_str[] = {
 	str(ALDEBARAN),
 	str(CYAN_SKILLFISH),
 	str(BEIGE_GOBY),
+	str(NAVI31),
 };
diff --git a/include/r600_pci_ids.h b/include/r600_pci_ids.h
index 550a2bf..c0575cc 100644
--- a/include/r600_pci_ids.h
+++ b/include/r600_pci_ids.h
@@ -593,6 +593,7 @@ CHIPSET(0x1638, 0x1638, RENOIR)
 CHIPSET(0x164C, 0x164C, RENOIR)
 CHIPSET(0x7360, 0x7360, NAVI12)
 CHIPSET(0x7362, 0x7362, NAVI12)
+CHIPSET(0x744C, 0x744C, NAVI31)
 CHIPSET(0x73A0, 0x73A0, SIENNA_CICHLID)
 CHIPSET(0x73A1, 0x73A1, SIENNA_CICHLID)
 CHIPSET(0x73A2, 0x73A2, SIENNA_CICHLID)
diff --git a/include/radeontop.h b/include/radeontop.h
index b1a1322..59ca69b 100644
--- a/include/radeontop.h
+++ b/include/radeontop.h
@@ -138,6 +138,7 @@ enum radeon_family {
 	ALDEBARAN,
 	CYAN_SKILLFISH,
 	BEIGE_GOBY,
+	NAVI31,
 };
 
 extern const char * const family_str[];