diff --git a/core/c/jbigi/build.sh b/core/c/jbigi/build.sh
index 4e6acc27b..e511a0fd8 100755
--- a/core/c/jbigi/build.sh
+++ b/core/c/jbigi/build.sh
@@ -1,4 +1,4 @@
-#/bin/sh
+#!/bin/sh
 #
 #  Build the jbigi library for i2p
 #