diff --git a/src/pattern.c b/src/pattern.c
index cf6e394..20f0490 100644
--- a/src/pattern.c
+++ b/src/pattern.c
@@ -206,7 +206,7 @@ liblex_result _pattern_build_inverted_or(pattern_chain** into, int* ids, int pat
     if(string[*index]) (*index)++;
   }
 
-  while(string[*index] && string[*index] != ']' && result == LIBDS_SUCCESS) {
+  while(string[*index] && string[*index] != ']' && result == LIBLEX_SUCCESS) {
     char from = '\0';
     char to = '\0';
     result = _pattern_read_value(&from, string, index);