diff --git a/datokenizer.go b/datokenizer.go
index 96243f1..ee9822c 100644
--- a/datokenizer.go
+++ b/datokenizer.go
@@ -369,9 +369,9 @@
 					log.Println("General epsilon transitions are not supported")
 					return nil
 				} else if tok.sigmaMCS[inSym] != "" {
-					log.Fatalln("Non supported character", tok.sigmaMCS[inSym])
-				} else if tok.sigmaMCS[outSym] != "" {
-					log.Fatalln("Non supported character", tok.sigmaMCS[outSym])
+					// log.Fatalln("Non supported character", tok.sigmaMCS[inSym])
+					// Ignore MCS transitions
+					continue
 				}
 
 				// Create an edge based on the collected information