diff --git a/tests/23-bits-OK.asn1.-EF b/tests/23-bits-OK.asn1.-EF
index a3e15a5..f65f3b3 100644
--- a/tests/23-bits-OK.asn1.-EF
+++ b/tests/23-bits-OK.asn1.-EF
@@ -1,5 +1,5 @@
 
-ModuleTestBitString {iso(-1) org(3) dod(6) internet(1) private(4)
+ModuleTestBitString {iso org(3) dod(6) internet(1) private(4)
 	enterprise(1) spelio(9363) software(1) asn1c(5) test(1)
 	23 }
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