diff --git a/src/scan.c b/src/scan.c
index 5f1be06..caee837 100644
--- a/src/scan.c
+++ b/src/scan.c
@@ -110,6 +110,8 @@ TokenType getToken(void) { /* index for storing into tokenString */
                     save = FALSE;
                 else if (c == '=')
                     state = INASSIGN;
+                else if(c == '!')
+                    state = INNE;
                 else if (c == '<') {
                     state = INLT;
                 } else if (c == '>') {