diff --git a/code/modules/wiremod/component.dm b/code/modules/wiremod/component.dm
index 4d3c57c9877..d0446c69323 100644
--- a/code/modules/wiremod/component.dm
+++ b/code/modules/wiremod/component.dm
@@ -135,6 +135,9 @@
 		if(connected_port.datatype != output_port.datatype)
 			output_port.set_datatype(connected_port.datatype)
 			return TRUE
+	else
+		output_port.set_datatype(output_port.default_datatype)
+		return TRUE
 	return FALSE
 
 
diff --git a/code/modules/wiremod/port.dm b/code/modules/wiremod/port.dm
index b0df9411b52..84f98d57445 100644
--- a/code/modules/wiremod/port.dm
+++ b/code/modules/wiremod/port.dm
@@ -15,6 +15,9 @@
 	/// The port type. Ports can only connect to each other if the type matches
 	var/datatype
 
+	/// The default port type. Stores the original datatype of the port set on Initialize.
+	var/default_datatype
+
 	/// The port color. If unset, appears as blue.
 	var/color
 
@@ -28,6 +31,7 @@
 	src.connected_component = to_connect
 	src.name = name
 	src.datatype = datatype
+	src.default_datatype = datatype
 	src.color = datatype_to_color()