diff -r c4ecef7983b8 dwm.c
--- a/dwm.c	Mon Aug 18 19:28:34 2008 +0100
+++ b/dwm.c	Tue Aug 19 18:46:22 2008 +0200
@@ -1046,6 +1046,7 @@
 
 void
 resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
+	float a;
 	XWindowChanges wc;
 
 	if(sizehints) {
@@ -1059,10 +1060,11 @@
 
 		/* adjust for aspect limits */
 		if(c->mina > 0 && c->maxa > 0) {
-			if(c->maxa < (float) w/h)
+			a = (float) w/h;
+			if(a > c->maxa)
 				w = h * c->maxa;
-			else if(c->mina > (float) h/w)
-				h = w * c->mina;
+			else if(a < c->mina)
+				h = w / c->mina;
 		}
 
 		/* adjust for increment value */
@@ -1602,7 +1604,7 @@
 	else
 		c->minw = c->minh = 0;
 	if(size.flags & PAspect) {
-		c->mina = (float)size.min_aspect.y / (float)size.min_aspect.x;
+		c->mina = (float)size.min_aspect.x / (float)size.min_aspect.y;
 		c->maxa = (float)size.max_aspect.x / (float)size.max_aspect.y;
 	}
 	else