diff --git a/rog-anime/src/image.rs b/rog-anime/src/image.rs
index 6b72de68..30e52c34 100644
--- a/rog-anime/src/image.rs
+++ b/rog-anime/src/image.rs
@@ -118,7 +118,7 @@ impl AnimeImage {
         match anime_type {
             AnimeType::GA401 => 0.8,
             AnimeType::GA402 => 0.77,
-            AnimeType::GU604 => 0.77,
+            AnimeType::GU604 => 0.7,
             AnimeType::Unknown => 0.0,
         }
     }
@@ -135,7 +135,7 @@ impl AnimeImage {
         match anime_type {
             AnimeType::GA401 => 0.3,
             AnimeType::GA402 => 0.283,
-            AnimeType::GU604 => 0.283,
+            AnimeType::GU604 => 0.213,
             AnimeType::Unknown => 0.0,
         }
     }
@@ -178,8 +178,8 @@ impl AnimeImage {
                 (y + 1) / 2 - 5
             }
             AnimeType::GU604 => {
-                // first 11 rows start at zero
-                if y <= 9 {
+                // first 9 rows start at zero
+                if y < 10 {
                     return 0;
                 }
                 // and then their offset grows by one every two rows
@@ -223,7 +223,7 @@ impl AnimeImage {
                 if y <= 9 {
                     return 39;
                 }
-                44 - y / 2
+                43 - y / 2
             }
             AnimeType::Unknown => 0,
         }
@@ -235,7 +235,7 @@ impl AnimeImage {
             // 33.0 = Longest row LED count (physical) plus half-pixel offset
             AnimeType::GA401 => (33.0 + 0.5) * Self::scale_x(anime_type),
             AnimeType::GA402 => (35.0 + 0.5) * Self::scale_x(anime_type),
-            AnimeType::GU604 => (35.0 + 0.5) * Self::scale_x(anime_type),
+            AnimeType::GU604 => (39.0 + 0.5) * Self::scale_x(anime_type),
             AnimeType::Unknown => 0.0,
         }
     }
@@ -245,7 +245,7 @@ impl AnimeImage {
         match anime_type {
             AnimeType::GA401 => 55,
             AnimeType::GA402 => 61,
-            AnimeType::GU604 => 61,
+            AnimeType::GU604 => 86,
             AnimeType::Unknown => 0,
         }
     }
@@ -257,7 +257,7 @@ impl AnimeImage {
             AnimeType::GA401 => (54.0 + 1.0) * Self::scale_y(anime_type),
             // GA402 may not have dead pixels and require only the physical LED count
             AnimeType::GA402 => 61.0 * Self::scale_y(anime_type),
-            AnimeType::GU604 => 61.0 * Self::scale_y(anime_type),
+            AnimeType::GU604 => 86.0 * Self::scale_y(anime_type),
             AnimeType::Unknown => 0.0,
         }
     }