Make sure custom aliases file exists before sourcing it
diff --git a/bash_it.sh b/bash_it.sh
index 3dd3d7a..b52ff97 100644
--- a/bash_it.sh
+++ b/bash_it.sh
@@ -48,7 +48,10 @@
   source $config_file
 done
 
-source "${BASH}/aliases/custom.aliases.bash"
+if [ -e "${BASH}/aliases/custom.aliases.bash" ]
+then
+  source "${BASH}/aliases/custom.aliases.bash"
+fi
 
 # Custom
 CUSTOM="${BASH}/custom/*.bash"