diff --git a/CMakeLists.txt b/CMakeLists.txt
index 59c29d7..42ab06a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required (VERSION 3.2)
 project(libravatarserv
-        VERSION 0.7.1
+        VERSION 0.7.2
         LANGUAGES CXX
 )
 
diff --git a/README.md b/README.md
index 3106169..9cf5da6 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@ The API is explained in greater detail at the
 
 * OpenID
   * Because it isn't possible to store filenames with '/' in it on most filesystems.
-* The default fallbacks monsterid, wavatar, retro and robohash
+* The default fallbacks monsterid, wavatar and robohash
   * Patches welcome
 
 ## Usage
diff --git a/src/libravatarserv.cpp b/src/libravatarserv.cpp
index 09014f9..2faf2ae 100644
--- a/src/libravatarserv.cpp
+++ b/src/libravatarserv.cpp
@@ -101,28 +101,33 @@ int main()
                 goto not_implemented;
             }
         }
-        else if (avatar.fallback.substr(0, 9) == "identicon")
+        else if (avatar.fallback.substr(0, 9) == "identicon" ||
+                 avatar.fallback.substr(0, 5) == "retro")
         {
             try
             {
-                Identiconpp identicon(4, 4, Identiconpp::algorithm::sigil,
-                            "ffffffff",
-                            {   // The 16 named colors specified in HTML 4.01
-                                // minus white, silver and gray.
-                                "000000ff", // Black
-                                "ff0000ff", // Red
-                                "800000ff", // Maroon
-                                "ffff00ff", // Yellow
-                                "808000ff", // Olive
-                                "00ff00ff", // lime
-                                "008000ff", // Green
-                                "00ffffff", // Aqua
-                                "008080ff", // Teal
-                                "0000ffff", // Blue
-                                "000080ff", // Navy
-                                "ff00ffff", // Fuchsia
-                                "800080ff", // Purple
-                            });
+                uint8_t padwidth = avatar.size / 10;
+                if (avatar.size < 60)
+                {
+                    padwidth = 0;
+                }
+                else if (padwidth < 10)
+                {
+                    padwidth = 10;
+                }
+
+                Identiconpp identicon(10, 10, Identiconpp::algorithm::sigil,
+                            "#fefefe",
+                            {   // The same colors ivatar uses.
+                                "2d4fffff", // Blue
+                                "feb42cff", // Yellow
+                                "e279eaff", // Bright pink
+                                "1eb3fdff", // Cyan
+                                "E84D41ff", // Red
+                                "31CB73ff", // Green
+                                "8D45AAff"  // Dark pink
+                            },
+                            { padwidth, padwidth });
                 image.image = identicon.generate(avatar.digest, avatar.size);
                 image.image.magick("PNG");
                 image::write(image);