diff --git a/.gitignore b/.gitignore
index b0bb9b2e5..c0d017951 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,7 +6,7 @@
 /test/instance
 /test/uploads
 /.elixir_ls
-/test/fixtures/DSCN0010_tmp.jpg
+/test/fixtures/DSCN0010_tmp*
 /test/fixtures/test_tmp.txt
 /test/fixtures/image_tmp.jpg
 /test/tmp/
diff --git a/changelog.d/4167-strip-gps-info-in-png.fix b/changelog.d/4167-strip-gps-info-in-png.fix
new file mode 100644
index 000000000..e8d5c2908
--- /dev/null
+++ b/changelog.d/4167-strip-gps-info-in-png.fix
@@ -0,0 +1 @@
+Ensure that StripLocation actually removes everything resembling GPS data from PNGs
diff --git a/lib/pleroma/upload/filter/exiftool/strip_location.ex b/lib/pleroma/upload/filter/exiftool/strip_location.ex
index 8becee712..1744a286d 100644
--- a/lib/pleroma/upload/filter/exiftool/strip_location.ex
+++ b/lib/pleroma/upload/filter/exiftool/strip_location.ex
@@ -16,7 +16,9 @@ defmodule Pleroma.Upload.Filter.Exiftool.StripLocation do
 
   def filter(%Pleroma.Upload{tempfile: file, content_type: "image" <> _}) do
     try do
-      case System.cmd("exiftool", ["-overwrite_original", "-gps:all=", file], parallelism: true) do
+      case System.cmd("exiftool", ["-overwrite_original", "-gps:all=", "-png:all=", file],
+             parallelism: true
+           ) do
         {_response, 0} -> {:ok, :filtered}
         {error, 1} -> {:error, error}
       end
diff --git a/test/fixtures/DSCN0010.png b/test/fixtures/DSCN0010.png
new file mode 100644
index 000000000..66f2f05f7
Binary files /dev/null and b/test/fixtures/DSCN0010.png differ
diff --git a/test/pleroma/upload/filter/exiftool/strip_location_test.exs b/test/pleroma/upload/filter/exiftool/strip_location_test.exs
index bcb5f3f60..4dcd4dce3 100644
--- a/test/pleroma/upload/filter/exiftool/strip_location_test.exs
+++ b/test/pleroma/upload/filter/exiftool/strip_location_test.exs
@@ -9,29 +9,31 @@ defmodule Pleroma.Upload.Filter.Exiftool.StripLocationTest do
   test "apply exiftool filter" do
     assert Pleroma.Utils.command_available?("exiftool")
 
-    File.cp!(
-      "test/fixtures/DSCN0010.jpg",
-      "test/fixtures/DSCN0010_tmp.jpg"
-    )
+    ~w{jpg png}
+    |> Enum.map(fn type ->
+      File.cp!(
+        "test/fixtures/DSCN0010.#{type}",
+        "test/fixtures/DSCN0010_tmp.#{type}"
+      )
 
-    upload = %Pleroma.Upload{
-      name: "image_with_GPS_data.jpg",
-      content_type: "image/jpeg",
-      path: Path.absname("test/fixtures/DSCN0010.jpg"),
-      tempfile: Path.absname("test/fixtures/DSCN0010_tmp.jpg")
-    }
+      upload = %Pleroma.Upload{
+        name: "image_with_GPS_data.#{type}",
+        content_type: "image/jpeg",
+        path: Path.absname("test/fixtures/DSCN0010.#{type}"),
+        tempfile: Path.absname("test/fixtures/DSCN0010_tmp.#{type}")
+      }
 
-    assert Filter.Exiftool.StripLocation.filter(upload) == {:ok, :filtered}
+      assert Filter.Exiftool.StripLocation.filter(upload) == {:ok, :filtered}
 
-    {exif_original, 0} = System.cmd("exiftool", ["test/fixtures/DSCN0010.jpg"])
-    {exif_filtered, 0} = System.cmd("exiftool", ["test/fixtures/DSCN0010_tmp.jpg"])
+      {exif_original, 0} = System.cmd("exiftool", ["test/fixtures/DSCN0010.#{type}"])
+      {exif_filtered, 0} = System.cmd("exiftool", ["test/fixtures/DSCN0010_tmp.#{type}"])
 
-    refute exif_original == exif_filtered
-    assert String.match?(exif_original, ~r/GPS/)
-    refute String.match?(exif_filtered, ~r/GPS/)
+      assert String.match?(exif_original, ~r/GPS/)
+      refute String.match?(exif_filtered, ~r/GPS/)
+    end)
   end
 
-  test "verify webp, heic, svg  files are skipped" do
+  test "verify webp, heic, svg files are skipped" do
     uploads =
       ~w{webp heic svg svg+xml}
       |> Enum.map(fn type ->