diff --git a/pywal/colors.py b/pywal/colors.py
index 0fed29e..f47ac33 100644
--- a/pywal/colors.py
+++ b/pywal/colors.py
@@ -15,6 +15,7 @@ def imagemagick(color_count, img, magick_command):
     """Call Imagemagick to generate a scheme."""
     flags = ["-resize", "25%", "-colors", str(color_count),
              "-unique-colors", "txt:-"]
+    img += "[0]"
 
     return subprocess.check_output([*magick_command, img, *flags]).splitlines()