diff --git a/start.sh b/start.sh
index b6fe4fdc..fd69cbec 100755
--- a/start.sh
+++ b/start.sh
@@ -1,5 +1,7 @@
 #!/bin/sh -e
 
+# Prevent execution if this script was only partially downloaded
+{
 rc='\033[0m'
 red='\033[0;31m'
 
@@ -46,3 +48,4 @@ check $? "Executing linutil"
 
 rm -f "$temp_file"
 check $? "Deleting the temporary file"
+} # End of wrapping
diff --git a/startdev.sh b/startdev.sh
index 0df8ce53..5fb2f1b2 100755
--- a/startdev.sh
+++ b/startdev.sh
@@ -1,5 +1,7 @@
 #!/bin/sh -e
 
+# Prevent execution if this script was only partially downloaded
+{
 RC='\033[0m'
 RED='\033[0;31m'
 
@@ -73,3 +75,4 @@ check $? "Executing linutil"
 
 rm -f $TMPFILE
 check $? "Deleting the temporary file"
+} # End of wrapping