diff --git a/src/nikonmn_int.cpp b/src/nikonmn_int.cpp
index e7dee3d006..c9247e8faf 100644
--- a/src/nikonmn_int.cpp
+++ b/src/nikonmn_int.cpp
@@ -104,6 +104,16 @@ namespace Exiv2 {
         N_("Right-most")
     };
 
+    //! Shutter Modes (credits to exiftool)
+    extern const TagDetails nikonShutterModes[] = {
+        { 0, "Mechanical" },
+        { 16, "Electronic" },
+        { 48, "Electronic Front Curtain" },
+        { 64, "Electronic (Movie)" },
+        { 80, "Auto (Mechanical)" },
+        { 81, "Auto (Electronic Front Curtain)" }
+    };
+
     //! FlashComp, tag 0x0012
     extern const TagDetails nikonFlashComp[] = {
         // From the PHP JPEG Metadata Toolkit
@@ -589,6 +599,8 @@ namespace Exiv2 {
         TagInfo(0x0024, "WorldTime", N_("World Time"), N_("World time"), nikon3Id, makerTags, undefined, -1, printValue),
         TagInfo(0x0025, "ISOInfo", N_("ISO Info"), N_("ISO info"), nikon3Id, makerTags, undefined, -1, printValue),
         TagInfo(0x002a, "VignetteControl", N_("Vignette Control"), N_("Vignette control"), nikon3Id, makerTags, unsignedShort, -1, EXV_PRINT_TAG(nikonOlnh)),
+        TagInfo(0x0034, "ShutterMode", N_("Shutter Mode"), N_("Shutter mode"), nikon3Id, makerTags, unsignedShort, -1, EXV_PRINT_TAG(nikonShutterModes)),
+        TagInfo(0x0037, "MechanicalShutterCount", N_("Mechanical Shutter Count"), N_("Mechanical shutter count"), nikon3Id, makerTags, unsignedLong, -1, printValue),
         TagInfo(0x0080, "ImageAdjustment", N_("Image Adjustment"), N_("Image adjustment setting"), nikon3Id, makerTags, asciiString, -1, printValue),
         TagInfo(0x0081, "ToneComp", N_("Tone Compensation"), N_("Tone compensation"), nikon3Id, makerTags, asciiString, -1, printValue),
         TagInfo(0x0082, "AuxiliaryLens", N_("Auxiliary Lens"), N_("Auxiliary lens (adapter)"), nikon3Id, makerTags, asciiString, -1, printValue),
diff --git a/tests/bugfixes/github/test_pr_1437.py b/tests/bugfixes/github/test_pr_1437.py
index b240414783..29af8e236c 100644
--- a/tests/bugfixes/github/test_pr_1437.py
+++ b/tests/bugfixes/github/test_pr_1437.py
@@ -2,12 +2,15 @@
 
 import system_tests
 
+# extended to also test include shutter mode and mechanical shutter count (pr 1444)
 class Nikon_LensData8(metaclass=system_tests.CaseMeta):
     url      = "https://github.com/Exiv2/exiv2/pull/1437"
     filename = "$data_path/CH0_0174.exv"
-    commands = ["$exiv2 -g lens/i -g aperture/i $filename"]
+    commands = ["$exiv2 -g lens/i -g aperture/i -g shutter/i $filename"]
     stderr   = [""]
-    stdout   = ["""Exif.Nikon3.LensType                         Byte        1  D G VR
+    stdout   = ["""Exif.Nikon3.ShutterMode                      Short       1  Auto (Electronic Front Curtain)
+Exif.Nikon3.MechanicalShutterCount           Long        1  174
+Exif.Nikon3.LensType                         Byte        1  D G VR
 Exif.Nikon3.Lens                             Rational    4  70-200mm F2.8
 Exif.Nikon3.LensFStops                       Undefined   4  6
 Exif.NikonLd4.AFAperture                     Byte        1  F2.8
@@ -18,6 +21,7 @@ class Nikon_LensData8(metaclass=system_tests.CaseMeta):
 Exif.NikonLd4.EffectiveMaxAperture           Byte        1  F2.8
 Exif.NikonLd4.LensID                         Short       1  0
 Exif.NikonLd4.MaxAperture                    Short       1  F0.5
+Exif.Nikon3.ShutterCount                     Long        1  174
 Exif.Photo.LensSpecification                 Rational    4  700/10 2000/10 280/100 280/100
 Exif.Photo.LensMake                          Ascii       6  
 Exif.Photo.LensModel                         Ascii      65