diff --git a/src/applications/postman.sh b/src/applications/postman.sh
index 8d44c0d..1acaf8a 100644
--- a/src/applications/postman.sh
+++ b/src/applications/postman.sh
@@ -1,3 +1,5 @@
+#!/bin/bash -i
+
 # Get install file
 wget https://dl.pstmn.io/download/latest/linux64
 
@@ -6,14 +8,13 @@ sudo tar -xvf linux64 -C /usr/bin
 
 # export postman to env table
 if [[ $(which zsh) == "/usr/bin/zsh" ]]; then
-    echo '# Postman path' >> ~/.tempzshrc
-    echo 'export PATH="$PATH:/usr/bin/Postman"' >> ~/.tempzshrc
-    source ~/.tempzshrc
+    sudo -u $SUDO_USER echo '# Postman path' >> ~/.tempzshrc
+    sudo -u $SUDO_USER echo 'export PATH="$PATH:/usr/bin/Postman"' >> ~/.tempzshrc
 fi
 
 # always put in bashrc aswell, so that the user can always rely on the standard shell
-echo '# Postman path' >> ~/.bashrc
-echo 'export PATH="$PATH:/usr/bin/Postman"' >> ~/.bashrc
+sudo -u $SUDO_USER echo '# Postman path' >> ~/.bashrc
+sudo -u $SUDO_USER echo 'export PATH="$PATH:/usr/bin/Postman"' >> ~/.bashrc
 source ~/.bashrc
 
 # Create file and set info