diff --git a/pe/pe0400.cpp b/pe/pe0400.cpp
index 0481a07bf..4879e2727 100755
--- a/pe/pe0400.cpp
+++ b/pe/pe0400.cpp
@@ -621,13 +621,13 @@ TMask* TGestione_preventivo_app::get_mask( int mode )
 			TSheet_field & sh = m->sfield(F_SHEET);
 			const int y = m->sh_y() - 1;
 
-			m->add_button(F_SHRINK_ALL, sh.page(), "--", 61, y - 1, 1, 1);
+			m->add_button(F_SHRINK_ALL, sh.page(), "--", 61, y - 1, 1, 1, "", BMP_DARROWU);
 			m->set_handler(F_SHRINK_ALL, TGestione_preventivo_msk::pe_espandi_handler);
-			m->add_button(F_ZOOM_ALL, sh.page(), "++", 66, y -1, 1, 1);
+			m->add_button(F_ZOOM_ALL, sh.page(), "++", 66, y -1, 1, 1, "", BMP_DARROWD);
 			m->set_handler(F_ZOOM_ALL, TGestione_preventivo_msk::pe_espandi_handler);
-			m->add_button(F_SHRINK_ROW, sh.page(), "-", 71, y - 1, 1, 1);
+			m->add_button(F_SHRINK_ROW, sh.page(), "-", 71, y - 1, 1, 1, "", BMP_SARROWU);
 			m->set_handler(F_SHRINK_ROW, TGestione_preventivo_msk::pe_espandi_riga_handler);
-			m->add_button(F_ZOOM_ROW, sh.page(), "+", 76, y -1, 1, 1);
+			m->add_button(F_ZOOM_ROW, sh.page(), "+", 76, y -1, 1, 1, "", BMP_SARROWD);
 			m->set_handler(F_ZOOM_ROW, TGestione_preventivo_msk::pe_espandi_riga_handler);
 
 			TEdit_field & k = m->add_string(F_K, sh.page(), "K ", 2, y, 25);