diff --git a/Emotes.lua b/Emotes.lua
index b645c8a..fd4c2db 100644
--- a/Emotes.lua
+++ b/Emotes.lua
@@ -8927,7 +8927,7 @@ TwitchEmotes_animation_metadata = {
 	["Interface\\AddOns\\TwitchEmotes\\Emotes\\Custom\\Clap.tga"] = {["nFrames"] = 2, ["frameWidth"] = 32, ["frameHeight"] = 32, ["imageWidth"]=32, ["imageHeight"]=64, ["framerate"] = 6},
 	["Interface\\AddOns\\TwitchEmotes\\Emotes\\Custom\\modCheck.tga"] = {["nFrames"] = 28, ["frameWidth"] = 32, ["frameHeight"] = 32, ["imageWidth"]=32, ["imageHeight"]=1024, ["framerate"] = 9},
 	["Interface\\AddOns\\TwitchEmotes\\Emotes\\Custom\\goinginsane.tga"] = {["nFrames"] = 47, ["frameWidth"] = 32, ["frameHeight"] = 32, ["imageWidth"]=64, ["imageHeight"]=1024, ["framerate"] = 25},
-	["Interface\\AddOns\\TwitchEmotes\\Emotes\\Custom\\catJAM.tga"] = {["nFrames"] = 60, ["frameWidth"] = 32, ["frameHeight"] = 32, ["imageWidth"]=64, ["imageHeight"]=1024, ["framerate"] = 15},
+	["Interface\\AddOns\\TwitchEmotes\\Emotes\\Custom\\catJAM.tga"] = {["nFrames"] = 60, ["frameWidth"] = 32, ["frameHeight"] = 32, ["imageWidth"]=64, ["imageHeight"]=1024, ["framerate"] = 10},
 	["Interface\\AddOns\\TwitchEmotes\\Emotes\\Custom\\ratJAM.tga"] = {["nFrames"] = 16, ["frameWidth"] = 32, ["frameHeight"] = 32, ["imageWidth"]=32, ["imageHeight"]=512, ["framerate"] = 15},
 	["Interface\\AddOns\\TwitchEmotes\\Emotes\\BTTV+FFZ\\haHAA.tga"] = {["nFrames"] = 14, ["frameWidth"] = 32, ["frameHeight"] = 32, ["imageWidth"]=32, ["imageHeight"]=512, ["framerate"] = 34},
 	["Interface\\AddOns\\TwitchEmotes\\Emotes\\Pepes\\PepeMeltdown.tga"] = {["nFrames"] = 10, ["frameWidth"] = 32, ["frameHeight"] = 32, ["imageWidth"]=32, ["imageHeight"]=512, ["framerate"] = 34},
diff --git a/TwitchEmotesAnimator.lua b/TwitchEmotesAnimator.lua
index 747b926..a895ab2 100644
--- a/TwitchEmotesAnimator.lua
+++ b/TwitchEmotesAnimator.lua
@@ -40,11 +40,14 @@ local function CropToCurrentFrame(tex, animdata)
                     top / animdata.imageHeight, bottom / animdata.imageHeight)
 end
 
+-- The engine splits the payload on ':' and atoi's each field, so a coordinate
+-- carrying a decimal point silently truncates and crops the wrong rect (a
+-- fractional framerate is enough to leak one in). Format them as integers.
 local function BuildFrameString(imagepath, animdata, framenum, w, h)
     local left, right, top, bottom = GetFrameRect(animdata, framenum)
-    return "|T" .. imagepath .. ":" .. w .. ":" .. h .. ":0:0:" ..
-           animdata.imageWidth .. ":" .. animdata.imageHeight .. ":" ..
-           left .. ":" .. right .. ":" .. top .. ":" .. bottom .. "|t"
+    return ("|T%s:%d:%d:0:0:%d:%d:%d:%d:%d:%d|t"):format(imagepath, w, h,
+                         animdata.imageWidth, animdata.imageHeight,
+                         left, right, top, bottom)
 end
 
 -- escape the pattern-magic chars that can appear in an emote escape (paths use