diff --git a/config.def.h b/config.def.h
index fa7a0d2..028d00d 100644
--- a/config.def.h
+++ b/config.def.h
@@ -27,9 +27,9 @@ static const Rule rules[] = {
 	 *	WM_CLASS(STRING) = instance, class
 	 *	WM_NAME(STRING) = title
 	 */
-	/* class      instance    title       tags mask     isfloating   monitor */
-	{ "Gimp",     NULL,       NULL,       0,            1,           -1 },
-	{ "Firefox",  NULL,       NULL,       1 << 8,       0,           -1 },
+	/* class      instance    title       tags mask     iscentered     isfloating   monitor */
+	{ "Gimp",     NULL,       NULL,       0,            0,             1,           -1 },
+	{ "Firefox",  NULL,       NULL,       1 << 8,       0,             0,           -1 },
 };
 
 /* layout(s) */
diff --git a/dwm-center-6.1.diff b/dwm-center-6.1.diff
new file mode 100644
index 0000000..b4a49e1
--- /dev/null
+++ b/dwm-center-6.1.diff
@@ -0,0 +1,58 @@
+diff --git a/config.def.h b/config.def.h
+index 7054c06..e0cdcf3 100644
+--- a/config.def.h
++++ b/config.def.h
+@@ -24,9 +24,9 @@ static const Rule rules[] = {
+ 	 *	WM_CLASS(STRING) = instance, class
+ 	 *	WM_NAME(STRING) = title
+ 	 */
+-	/* class      instance    title       tags mask     isfloating   monitor */
+-	{ "Gimp",     NULL,       NULL,       0,            1,           -1 },
+-	{ "Firefox",  NULL,       NULL,       1 << 8,       0,           -1 },
++	/* class      instance    title       tags mask     iscentered     isfloating   monitor */
++	{ "Gimp",     NULL,       NULL,       0,            0,             1,           -1 },
++	{ "Firefox",  NULL,       NULL,       1 << 8,       0,             0,           -1 },
+ };
+ 
+ /* layout(s) */
+diff --git a/dwm.c b/dwm.c
+index 0362114..4aaaa60 100644
+--- a/dwm.c
++++ b/dwm.c
+@@ -92,7 +92,7 @@ struct Client {
+ 	int basew, baseh, incw, inch, maxw, maxh, minw, minh;
+ 	int bw, oldbw;
+ 	unsigned int tags;
+-	int isfixed, isfloating, isurgent, neverfocus, oldstate, isfullscreen;
++	int isfixed, iscentered, isfloating, isurgent, neverfocus, oldstate, isfullscreen;
+ 	Client *next;
+ 	Client *snext;
+ 	Monitor *mon;
+@@ -137,6 +137,7 @@ typedef struct {
+ 	const char *instance;
+ 	const char *title;
+ 	unsigned int tags;
++	int iscentered;
+ 	int isfloating;
+ 	int monitor;
+ } Rule;
+@@ -296,6 +297,7 @@ applyrules(Client *c)
+ 		&& (!r->class || strstr(class, r->class))
+ 		&& (!r->instance || strstr(instance, r->instance)))
+ 		{
++			c->iscentered = r->iscentered;
+ 			c->isfloating = r->isfloating;
+ 			c->tags |= r->tags;
+ 			for (m = mons; m && m->num != r->monitor; m = m->next);
+@@ -1063,6 +1065,11 @@ manage(Window w, XWindowAttributes *wa)
+ 	           && (c->x + (c->w / 2) < c->mon->wx + c->mon->ww)) ? bh : c->mon->my);
+ 	c->bw = borderpx;
+ 
++	if(c->iscentered) {
++		c->x = (c->mon->mw - WIDTH(c)) / 2;
++		c->y = (c->mon->mh - HEIGHT(c)) / 2;
++	}
++
+ 	wc.border_width = c->bw;
+ 	XConfigureWindow(dpy, w, CWBorderWidth, &wc);
+ 	XSetWindowBorder(dpy, w, scheme[SchemeNorm].border->pix);
diff --git a/dwm.c b/dwm.c
index d18e2f3..247b260 100644
--- a/dwm.c
+++ b/dwm.c
@@ -92,7 +92,7 @@ struct Client {
 	int basew, baseh, incw, inch, maxw, maxh, minw, minh;
 	int bw, oldbw;
 	unsigned int tags;
-	int isfixed, isfloating, isurgent, neverfocus, oldstate, isfullscreen;
+	int isfixed, iscentered, isfloating, isurgent, neverfocus, oldstate, isfullscreen;
 	Client *next;
 	Client *snext;
 	Monitor *mon;
@@ -137,6 +137,7 @@ typedef struct {
 	const char *instance;
 	const char *title;
 	unsigned int tags;
+	int iscentered;
 	int isfloating;
 	int monitor;
 } Rule;
@@ -299,6 +300,7 @@ applyrules(Client *c)
 		&& (!r->class || strstr(class, r->class))
 		&& (!r->instance || strstr(instance, r->instance)))
 		{
+			c->iscentered = r->iscentered;
 			c->isfloating = r->isfloating;
 			c->tags |= r->tags;
 			for (m = mons; m && m->num != r->monitor; m = m->next);
@@ -1078,6 +1080,11 @@ manage(Window w, XWindowAttributes *wa)
 		&& (c->x + (c->w / 2) < c->mon->wx + c->mon->ww)) ? bh : c->mon->my);
 	c->bw = borderpx;
 
+	if(c->iscentered) {
+		c->x = (c->mon->mw - WIDTH(c)) / 2;
+		c->y = (c->mon->mh - HEIGHT(c)) / 2;
+	}
+
 	wc.border_width = c->bw;
 	XConfigureWindow(dpy, w, CWBorderWidth, &wc);
 	XSetWindowBorder(dpy, w, scheme[SchemeNorm][ColBorder].pixel);