diff --git a/src/alexp.py b/src/alexp.py
index d9a3b48..f3dbadb 100644
--- a/src/alexp.py
+++ b/src/alexp.py
@@ -60,7 +60,7 @@ def etiquetaSentenca(s):
 	anotada_corrigida = []
 	for x in anotada:
 		if x[1] not in tag_punctuation:
-			if x[1] == "NUM":
+			if x[1] == "NUM" and x[1].isdigit():
 				anotada_corrigida.append(x)
 				continue
 			tupla = [regex.sub('',x[0]).lower(),x[1]]
--
libgit2 0.21.2