diff --git a/source/lmp/Install.sh b/source/lmp/Install.sh
index 87c51a9766..d2a728226e 100644
--- a/source/lmp/Install.sh
+++ b/source/lmp/Install.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-source env.sh
+source ./env.sh
 
 # Install/unInstall package files in LAMMPS
 # mode = 0/1/2 for uninstall/install/update