diff --git a/config.h b/config.h
index da3f6da..f207159 100644
--- a/config.h
+++ b/config.h
@@ -189,6 +189,8 @@
 
 #define SNAPCENTER_KEY XK_c
 
+#define ZOOM_KEY XK_z
+
 #define NEXTVIRT_KEY XK_Right
 #define PREVVIRT_KEY XK_Left
 
diff --git a/dat.h b/dat.h
index f97bf8c..d22be33 100644
--- a/dat.h
+++ b/dat.h
@@ -188,6 +188,7 @@ extern int virt;
 
 /* manage.c */
 extern int isNew;
+extern int zoom;
 
 /* error.c */
 extern int ignore_badwindow;
diff --git a/main.c b/main.c
index dee15d5..5a77e06 100644
--- a/main.c
+++ b/main.c
@@ -43,6 +43,7 @@ int solidsweep = 0;
 int numvirtuals = 0;
 int ffm = 0;
 int kbLaunch = 0;
+int zoom = 0;
 
 Atom exit_rio;
 Atom restart_rio;