diff --git a/scripts/launch/mac/launch_iTerm.scpt b/scripts/launch/mac/launch_iTerm.scpt
index ea5c72a6d13..8e1ec424966 100644
--- a/scripts/launch/mac/launch_iTerm.scpt
+++ b/scripts/launch/mac/launch_iTerm.scpt
@@ -1,5 +1,9 @@
 on run argv
-    set REGION to item 1 of argv
+    if not (count of argv) = 0
+        set REGION to item 1 of argv
+    else
+        set REGION to ""
+    end if
     tell application "iTerm"
         activate
         set W to create window with default profile
diff --git a/scripts/launch/mac/launch_terminal.scpt b/scripts/launch/mac/launch_terminal.scpt
index 9d61918e877..b461c49eae2 100644
--- a/scripts/launch/mac/launch_terminal.scpt
+++ b/scripts/launch/mac/launch_terminal.scpt
@@ -1,5 +1,9 @@
 on run argv
-    set REGION to item 1 of argv
+    if not (count of argv) = 0
+        set REGION to item 1 of argv
+    else
+        set REGION to ""
+    end if
     tell application "Terminal"
         activate
         set ProjectRoot to "$(dirname $(dirname $(dirname $(dirname " & (POSIX path of (path to me)) & "))))"