--- ./source/blender/editors/transform/transform.c	2013-08-31 16:37:59.210788426 +0200
+++ ./transform.c	2013-08-31 16:49:11.558770802 +0200
@@ -853,6 +853,7 @@
 	char cmode = constraintModeToChar(t);
 	int handled = 1;
 	
+	ToolSettings *ts = CTX_data_tool_settings(t->context);
 	t->redraw |= handleMouseInput(t, &t->mouse, event);
 
 	if (event->type == MOUSEMOVE) {
@@ -1089,6 +1090,7 @@
 					t->prop_size *= fac;
 					if (t->spacetype == SPACE_VIEW3D && t->persp != RV3D_ORTHO)
 						t->prop_size = min_ff(t->prop_size, ((View3D *)t->view)->far);
+					ts->proportional_size = t->prop_size;
 					calculatePropRatio(t);
 				}
 				t->redraw |= TREDRAW_HARD;
@@ -1099,6 +1101,7 @@
 					t->prop_size *= 1.1f;
 					if (t->spacetype == SPACE_VIEW3D && t->persp != RV3D_ORTHO)
 						t->prop_size = min_ff(t->prop_size, ((View3D *)t->view)->far);
+					ts->proportional_size = t->prop_size;
 					calculatePropRatio(t);
 				}
 				t->redraw |= TREDRAW_HARD;
@@ -1106,6 +1109,7 @@
 			case TFM_MODAL_PROPSIZE_DOWN:
 				if (t->flag & T_PROP_EDIT) {
 					t->prop_size *= 0.90909090f;
+					ts->proportional_size = t->prop_size;
 					calculatePropRatio(t);
 				}
 				t->redraw |= TREDRAW_HARD;
@@ -1258,6 +1262,7 @@
 					t->prop_size *= 1.1f;
 					if (t->spacetype == SPACE_VIEW3D && t->persp != RV3D_ORTHO)
 						t->prop_size = min_ff(t->prop_size, ((View3D *)t->view)->far);
+					ts->proportional_size = t->prop_size;
 					calculatePropRatio(t);
 				}
 				t->redraw = 1;
@@ -1275,6 +1280,7 @@
 			case PADMINUS:
 				if (event->alt && t->flag & T_PROP_EDIT) {
 					t->prop_size *= 0.90909090f;
+					ts->proportional_size = t->prop_size;
 					calculatePropRatio(t);
 				}
 				t->redraw = 1;