diff --git a/src/numex.c b/src/numex.c
index dd6fa356..5256cac4 100644
--- a/src/numex.c
+++ b/src/numex.c
@@ -814,7 +814,7 @@ numex_result_array *convert_numeric_expressions(char *str, char *lang) {
                 log_debug("rule is ordinal\n");
             } 
 
-            if (idx + phrase.len == len) {
+            if (idx + phrase.start + phrase.len == len) {
                 number_finished = true;
             }
         }