diff --git a/main/mime/application-x-gambas3.xml b/main/mime/application-x-gambas3.xml
index d93770cf0..befeb87c4 100644
--- a/main/mime/application-x-gambas3.xml
+++ b/main/mime/application-x-gambas3.xml
@@ -5,7 +5,7 @@
 		<comment>Gambas 3 executable</comment>
 		<comment xml:lang="fr">Exécutable Gambas 3</comment>
 		<magic priority="50">
-			<match type="string" value="#!/usr/bin/env gbr3" offset="0"/>
+			<match type="string" value="#! /usr/bin/env gbr3" offset="0"/>
 		</magic>
 		<glob pattern="*.gambas" />
 	</mime-type>