diff --git a/source/blender/blenkernel/intern/particle.c b/source/blender/blenkernel/intern/particle.c
index 66d6252c273..081244c5c6b 100644
--- a/source/blender/blenkernel/intern/particle.c
+++ b/source/blender/blenkernel/intern/particle.c
@@ -720,13 +720,19 @@ void psys_render_restore(Object *ob, ParticleSystem *psys)
 	disp = psys_get_current_display_percentage(psys);
 
 	if (disp != render_disp) {
-		PARTICLE_P;
+		/* Hair can and has to be recalculated if everything isn't displayed. */
+		if (psys->part->type == PART_HAIR) {
+			psys->recalc |= PSYS_RECALC_RESET;
+		}
+		else {
+			PARTICLE_P;
 
-		LOOP_PARTICLES {
-			if (psys_frand(psys, p) > disp)
-				pa->flag |= PARS_NO_DISP;
-			else
-				pa->flag &= ~PARS_NO_DISP;
+			LOOP_PARTICLES {
+				if (psys_frand(psys, p) > disp)
+					pa->flag |= PARS_NO_DISP;
+				else
+					pa->flag &= ~PARS_NO_DISP;
+			}
 		}
 	}
 }