diff --git a/.zsh-custom/functions.zsh b/.zsh-custom/functions.zsh
index 224e35b..a3fa96b 100644
--- a/.zsh-custom/functions.zsh
+++ b/.zsh-custom/functions.zsh
@@ -39,10 +39,12 @@ startx()
 }
 
 # generate qrcode and display it
-qrcode()
+func_qrcode()
 {
 	qrencode "$1" -o - | feh -
 }
+# Create alias calling the function with space prefix, so that it is not logged in history file. This avoids logging passwords and stuff.
+alias qrcode=" func_qrcode"
 
 ogg2mp3()
 {
diff --git a/.zshrc b/.zshrc
index 67f59db..5754a3b 100644
--- a/.zshrc
+++ b/.zshrc
@@ -82,6 +82,7 @@ source $ZSH/oh-my-zsh.sh
 
 setopt appendhistory autocd extendedglob
 setopt GLOB_COMPLETE
+setopt HIST_IGNORE_SPACE  # ignore command lines when first character is a space
 unsetopt beep
 
 ### Enter Vim-Mode ###