diff --git a/code/ryzom/client/src/client.cpp b/code/ryzom/client/src/client.cpp
index 368afe0ee..01e3e08b0 100644
--- a/code/ryzom/client/src/client.cpp
+++ b/code/ryzom/client/src/client.cpp
@@ -540,6 +540,9 @@ int main(int argc, char **argv)
 	// ignore signal SIGPIPE generated by libwww
 	signal(SIGPIPE, sigHandler);
 
+	// Delete the .sh file because it s not useful anymore
+	if (NLMISC::CFile::fileExists("updt_nl.sh"))
+		NLMISC::CFile::deleteFile("updt_nl.sh");
 #endif
 
 	// initialize patch manager and set the ryzom full path, before it's used
diff --git a/code/ryzom/client/src/login_patch.cpp b/code/ryzom/client/src/login_patch.cpp
index a51f2c1d5..4c45f7781 100644
--- a/code/ryzom/client/src/login_patch.cpp
+++ b/code/ryzom/client/src/login_patch.cpp
@@ -168,7 +168,11 @@ CPatchManager::CPatchManager() : State("t_state"), DataScanState("t_data_scan_st
 {
 	DescFilename = "ryzom_xxxxx.idx";
 
+#ifdef NL_OS_WINDOWS
 	UpdateBatchFilename = "updt_nl.bat";
+#else
+	UpdateBatchFilename = "updt_nl.sh";
+#endif
 
 	// use current directory by default
 	setClientRootPath("./");