diff --git a/README.md b/README.md
index b851f00..e9b9df0 100644
--- a/README.md
+++ b/README.md
@@ -106,7 +106,7 @@ As of `v1.0.3`, b3bp adds some nice re-usable libraries in `./src`. In order to
 It's nice to have a Bash package that can be used in the terminal and also be invoked as a command line function. To achieve this the exporting of your functionality *should* follow this pattern:
 
 ```bash
-if [ "${BASH_SOURCE[0]}" != ${0} ]; then
+if [ "${BASH_SOURCE[0]}" != "${0}" ]; then
   export -f my_script
 else
   my_script "${@}"
diff --git a/src/ini_val.sh b/src/ini_val.sh
index 0d02d07..126325a 100755
--- a/src/ini_val.sh
+++ b/src/ini_val.sh
@@ -64,7 +64,7 @@ function ini_val() {
   fi
 }
 
-if [ "${BASH_SOURCE[0]}" != ${0} ]; then
+if [ "${BASH_SOURCE[0]}" != "${0}" ]; then
   export -f ini_val
 else
   ini_val "${@}"
diff --git a/src/megamount.sh b/src/megamount.sh
index 0c8dd68..9fee3a9 100644
--- a/src/megamount.sh
+++ b/src/megamount.sh
@@ -57,7 +57,7 @@ function megamount () {
   ls -al "${target}/"
 }
 
-if [ "${BASH_SOURCE[0]}" != ${0} ]; then
+if [ "${BASH_SOURCE[0]}" != "${0}" ]; then
   export -f megamount
 else
   megamount "${@}"
diff --git a/src/parse_url.sh b/src/parse_url.sh
index 373a3ad..5c0b7e1 100644
--- a/src/parse_url.sh
+++ b/src/parse_url.sh
@@ -62,7 +62,7 @@ function parse_url() {
   fi
 }
 
-if [ "${BASH_SOURCE[0]}" != ${0} ]; then
+if [ "${BASH_SOURCE[0]}" != "${0}" ]; then
   export -f parse_url
 else
   parse_url "${@}"
diff --git a/src/templater.sh b/src/templater.sh
index b90c98b..d485670 100755
--- a/src/templater.sh
+++ b/src/templater.sh
@@ -50,7 +50,7 @@ function templater() {
   fi
 }
 
-if [ "${BASH_SOURCE[0]}" != ${0} ]; then
+if [ "${BASH_SOURCE[0]}" != "${0}" ]; then
   export -f templater
 else
   templater "${@}"