diff --git a/balls.c b/balls.c
index 5c908b7..4d75d45 100644
--- a/balls.c
+++ b/balls.c
@@ -183,6 +183,7 @@ static struct ball_face * new_ball_face(unsigned int radius, cairo_surface_t * f
 	    cairo_set_source (ball_cr, pat);
 	    cairo_arc (ball_cr, 0.0, 0.0, radius, 0, 2 * M_PI);
 	    cairo_fill (ball_cr);
+	    cairo_pattern_destroy (pat);
 	}
 	cairo_surface_flush(f->c_faces[i]);
 	cairo_destroy(ball_cr);
diff --git a/gravity.c b/gravity.c
index 1590cdf..9658c97 100644
--- a/gravity.c
+++ b/gravity.c
@@ -20,7 +20,7 @@ void gravity_constant_field (double x, double y) {
     g_x = x;
     g_y = y;
 }
-    
+
 void gravity_newton_field (double r, double g) {
     constant_field = 0;
     g_r = r;