diff --git a/parsers/src/data_forms.rs b/parsers/src/data_forms.rs
index eb1b165ef9dd051e3290e44c1525c44e7ac771aa..37ad5619518f08239a5f42ad2778f2aa16e2b1e4 100644
--- a/parsers/src/data_forms.rs
+++ b/parsers/src/data_forms.rs
@@ -394,7 +394,7 @@ mod tests {
     fn test_size() {
         assert_size!(Option_, 24);
         assert_size!(FieldType, 1);
-        assert_size!(Field, 132);
+        assert_size!(Field, 140);
         assert_size!(DataFormType, 1);
         assert_size!(DataForm, 52);
     }
diff --git a/parsers/src/iq.rs b/parsers/src/iq.rs
index 54b1ba9cd13f64ab794c887ed74864037805c179..cb53f38b045f8871e04becbd955fb3472c1d5f9d 100644
--- a/parsers/src/iq.rs
+++ b/parsers/src/iq.rs
@@ -233,7 +233,7 @@ mod tests {
     #[test]
     fn test_size() {
         assert_size!(IqType, 104);
-        assert_size!(Iq, 168);
+        assert_size!(Iq, 148);
     }
 
     #[cfg(target_pointer_width = "64")]
diff --git a/parsers/src/stanza_id.rs b/parsers/src/stanza_id.rs
index 0e0bc359ce1240c9b93faa2a815802db5452b1c7..3f304132695081f7684ea42afa9fba0cbad28f82 100644
--- a/parsers/src/stanza_id.rs
+++ b/parsers/src/stanza_id.rs
@@ -48,7 +48,7 @@ mod tests {
     #[cfg(target_pointer_width = "32")]
     #[test]
     fn test_size() {
-        assert_size!(StanzaId, 24);
+        assert_size!(StanzaId, 28);
         assert_size!(OriginId, 12);
     }