diff --git a/c_src/oid.c b/c_src/oid.c
index 00ff35a..a0cf889 100644
--- a/c_src/oid.c
+++ b/c_src/oid.c
@@ -6,10 +6,8 @@
 
 int geef_oid_bin(ErlNifBinary *bin, const git_oid *id)
 {
-	if (!enif_alloc_binary(GIT_OID_RAWSZ, bin)) {
-		printf("cannot alloc an id!\n");
+	if (!enif_alloc_binary(GIT_OID_RAWSZ, bin))
 		return -1;
-	}
 
 	memcpy(bin->data, id, GIT_OID_RAWSZ);
 	return 0;