diff --git a/google-chrome/files/google-chrome-incognito.sh b/google-chrome/files/google-chrome-incognito.sh
index 39a71db..1bad5bf 100755
--- a/google-chrome/files/google-chrome-incognito.sh
+++ b/google-chrome/files/google-chrome-incognito.sh
@@ -5,7 +5,7 @@ set -eu
 URL="${2-}"
 
 CHROME="$(which google-chrome 2>/dev/null)"
-if [ -n "$CHROME" ]; then
+if [ -z "$CHROME" ]; then
     if [ -f "/Applications/Google Chrome.app" ]; then
         CHROME="/Applications/Google Chrome.app/Contents/MacOS/Google Chrome"
     else
diff --git a/google-chrome/files/google-chrome-socksproxy.sh b/google-chrome/files/google-chrome-socksproxy.sh
index 1609d75..7871490 100755
--- a/google-chrome/files/google-chrome-socksproxy.sh
+++ b/google-chrome/files/google-chrome-socksproxy.sh
@@ -11,7 +11,7 @@ SOCKSPORT="$1"
 URL="${2-}"
 
 CHROME="$(which google-chrome 2>/dev/null)"
-if [ -n "$CHROME" ]; then
+if [ -z "$CHROME" ]; then
     if [ -f "/Applications/Google Chrome.app" ]; then
         CHROME="/Applications/Google Chrome.app/Contents/MacOS/Google Chrome"
     else