diff --git a/src/dbc.cpp b/src/dbc.cpp
index ee3b173..c92cc3e 100644
--- a/src/dbc.cpp
+++ b/src/dbc.cpp
@@ -11,7 +11,7 @@ namespace libdbc {
 				name_space_re("^(NS_)\\s\\:"), node_re("^(BU_:)\\s((?:[\\w]+?\\s?)*)"),
 				message_re("^(BO_)\\s(\\d+)\\s(\\w+)\\:\\s(\\d+)\\s(\\w+|Vector__XXX)"),
 				// NOTE: No multiplex support yet
-				signal_re("\\s(SG_)\\s(\\w+)\\s\\:\\s(\\d+)\\|(\\d+)\\@(\\d+)(\\+|\\-)\\s\\((\\d+\\.?(\\d+)?)\\,(\\d+\\.?(\\d+)?)\\)\\s\\[(\\d+\\.?(\\d+)?)\\|(\\d+\\.?(\\d+)?)\\]\\s\"(\\w*)\"\\s([\\w\\,]+|Vector__XXX)*") {
+				signal_re("\\s(SG_)\\s(\\w+)\\s\\:\\s(\\d+)\\|(\\d+)\\@(\\d+)(\\+|\\-)\\s\\((\\d+\\.?(\\d+)?)\\,(\\d+\\.?(\\d+)?)\\)\\s\\[(-?\\d+\\.?(\\d+)?)\\|(-?\\d+\\.?(\\d+)?)\\]\\s\"(\\w*)\"\\s([\\w\\,]+|Vector__XXX)*") {
 
 	}