diff --git a/modules/exploits/multi/http/struts_include_params.rb b/modules/exploits/multi/http/struts_include_params.rb
index a58791c5586f..1eb830d4931c 100644
--- a/modules/exploits/multi/http/struts_include_params.rb
+++ b/modules/exploits/multi/http/struts_include_params.rb
@@ -135,7 +135,7 @@ def exploit
 		print_status("Preparing payload...")
 		#Now with all the arch specific stuff set, perform the upload.
 		#109 = length of command string plus the max length of append.
-		sub_from_chunk = 109 + @payload_exe.length + target_uri.path.length + datastore['PARAMETER'].length
+		sub_from_chunk = 109 + @payload_exe.length + normalize_uri(target_uri.path).length + datastore['PARAMETER'].length
 		chunk_length = 2048 - sub_from_chunk
 		chunk_length = ((chunk_length/4).floor)*3
 		while pl_exe.length > chunk_length