diff --git a/Tests/images/p_16.png b/Tests/images/p_16.png
new file mode 100644
index 000000000..e35886412
Binary files /dev/null and b/Tests/images/p_16.png differ
diff --git a/Tests/images/p_16.tga b/Tests/images/p_16.tga
new file mode 100644
index 000000000..2b2ca4c70
Binary files /dev/null and b/Tests/images/p_16.tga differ
diff --git a/Tests/test_file_tga.py b/Tests/test_file_tga.py
index 465e13316..eb76cf125 100644
--- a/Tests/test_file_tga.py
+++ b/Tests/test_file_tga.py
@@ -6,7 +6,7 @@ import pytest
 
 from PIL import Image
 
-from .helper import assert_image_equal, hopper
+from .helper import assert_image_equal, assert_image_equal_tofile, hopper
 
 _TGA_DIR = os.path.join("Tests", "images", "tga")
 _TGA_DIR_COMMON = os.path.join(_TGA_DIR, "common")
@@ -65,6 +65,11 @@ def test_sanity(tmp_path):
                         roundtrip(original_im)
 
 
+def test_palette_depth_16():
+    with Image.open("Tests/images/p_16.tga") as im:
+        assert_image_equal_tofile(im.convert("RGB"), "Tests/images/p_16.png")
+
+
 def test_id_field():
     # tga file with id field
     test_file = "Tests/images/tga_id_field.tga"
diff --git a/src/PIL/TgaImagePlugin.py b/src/PIL/TgaImagePlugin.py
index 2b936d687..ce67beed8 100644
--- a/src/PIL/TgaImagePlugin.py
+++ b/src/PIL/TgaImagePlugin.py
@@ -113,7 +113,7 @@ class TgaImageFile(ImageFile.ImageFile):
             start, size, mapdepth = i16(s, 3), i16(s, 5), i16(s, 7)
             if mapdepth == 16:
                 self.palette = ImagePalette.raw(
-                    "BGR;16", b"\0" * 2 * start + self.fp.read(2 * size)
+                    "BGR;15", b"\0" * 2 * start + self.fp.read(2 * size)
                 )
             elif mapdepth == 24:
                 self.palette = ImagePalette.raw(