Index: src_plugins/dialogs/dlg_library_param.c
===================================================================
--- src_plugins/dialogs/dlg_library_param.c	(revision 31880)
+++ src_plugins/dialogs/dlg_library_param.c	(revision 31881)
@@ -336,7 +336,7 @@
 			case RND_HATT_COORD:
 			case RND_HATT_END:
 				val = buff;
-				rnd_snprintf(buff, sizeof(buff), "%$$mH", a->val.crd);
+				rnd_snprintf(buff, sizeof(buff), "%.09$$mH", a->val.crd);
 				break;
 			default:;
 		}