diff --git a/src/nikonmn_int.cpp b/src/nikonmn_int.cpp
index 3f3d0644..bc46c252 100644
--- a/src/nikonmn_int.cpp
+++ b/src/nikonmn_int.cpp
@@ -2250,6 +2250,7 @@ fmountlens[] = {
 {0xA1,0x41,0x19,0x31,0x2C,0x2C,0x4B,0x06,0x01,0x00,0x00, "Sigma", "", "10-20mm F3.5 EX DC HSM"},
 {0x48,0x3C,0x19,0x31,0x30,0x3C,0x4B,0x06,0x01,0x00,0x00, "Sigma", "201555", "10-20mm F4-5.6 EX DC HSM"},
 {0xF9,0x3C,0x19,0x31,0x30,0x3C,0x4B,0x06,0x01,0x00,0x00, "Sigma", "201555", "10-20mm F4-5.6 EX DC HSM"},
+{0xCA,0x3C,0x1F,0x37,0x30,0x30,0x4B,0x46,0x01,0x00,0x00, "Sigma", "205955", "12-24mm F4 DG HSM Art"},
 {0x48,0x38,0x1F,0x37,0x34,0x3C,0x4B,0x06,0x00,0x00,0x00, "Sigma", "200558", "12-24mm F4.5-5.6 EX DG Aspherical HSM"},
 {0xF0,0x38,0x1F,0x37,0x34,0x3C,0x4B,0x06,0x00,0x00,0x00, "Sigma", "200558", "12-24mm F4.5-5.6 EX DG Aspherical HSM"},
 {0x96,0x38,0x1F,0x37,0x34,0x3C,0x4B,0x06,0x00,0x00,0x00, "Sigma", "", "12-24mm F4.5-5.6 II DG HSM"},
diff --git a/test/data/Sigma_12-24mm_F4_DG_HSM_Art.exv b/test/data/Sigma_12-24mm_F4_DG_HSM_Art.exv
new file mode 100644
index 00000000..27a4d620
Binary files /dev/null and b/test/data/Sigma_12-24mm_F4_DG_HSM_Art.exv differ
diff --git a/tests/bugfixes/github/test_pr_2069.py b/tests/bugfixes/github/test_pr_2069.py
new file mode 100644
index 00000000..fd4f9ee8
--- /dev/null
+++ b/tests/bugfixes/github/test_pr_2069.py
@@ -0,0 +1,15 @@
+# -*- coding: utf-8 -*-
+
+import system_tests
+
+class NikonSigmaLens_APO_MACRO_180_F35_EX_DG_HSM(metaclass=system_tests.CaseMeta):
+    url = "https://github.com/Exiv2/exiv2/pull/2069"
+    
+    filename = "$data_path/Sigma_12-24mm_F4_DG_HSM_Art.exv"
+    commands = ["$exiv2 -pa --grep lensid/i $filename"]
+    stderr = [""]
+    stdout = [""
+        """Exif.NikonLd3.LensIDNumber                   Byte        1  Sigma 12-24mm F4 DG HSM Art
+"""
+]
+    retval = [0]