diff --git a/build/Version.props b/build/Version.props
index b4737c24f7..8dd9afbf2d 100644
--- a/build/Version.props
+++ b/build/Version.props
@@ -8,7 +8,7 @@
     <TgsApiVersion>9.9.0</TgsApiVersion>
     <TgsApiLibraryVersion>10.3.0</TgsApiLibraryVersion>
     <TgsClientVersion>11.3.0</TgsClientVersion>
-    <TgsDmapiVersion>6.4.0</TgsDmapiVersion>
+    <TgsDmapiVersion>6.4.1</TgsDmapiVersion>
     <TgsInteropVersion>5.6.0</TgsInteropVersion>
     <TgsHostWatchdogVersion>1.2.1</TgsHostWatchdogVersion>
     <TgsContainerScriptVersion>1.2.1</TgsContainerScriptVersion>
diff --git a/src/DMAPI/tgs.dm b/src/DMAPI/tgs.dm
index 855fdc4285..42787bc889 100644
--- a/src/DMAPI/tgs.dm
+++ b/src/DMAPI/tgs.dm
@@ -1,6 +1,6 @@
 // tgstation-server DMAPI
 
-#define TGS_DMAPI_VERSION "6.4.0"
+#define TGS_DMAPI_VERSION "6.4.1"
 
 // All functions and datums outside this document are subject to change with any version and should not be relied on.
 
diff --git a/src/DMAPI/tgs/v5/chunking.dm b/src/DMAPI/tgs/v5/chunking.dm
index af4cd6cc80..cd5944d34f 100644
--- a/src/DMAPI/tgs/v5/chunking.dm
+++ b/src/DMAPI/tgs/v5/chunking.dm
@@ -6,7 +6,7 @@
 
 	var/chunk_count
 	var/list/chunk_requests
-	for(chunk_count = 2; !chunk_requests; ++chunk_count);
+	for(chunk_count = 2; !chunk_requests; ++chunk_count)
 		var/max_chunk_size = -round(-(data_length / chunk_count))
 		if(max_chunk_size > limit)
 			continue