diff --git a/tests/all/component_model/func.rs b/tests/all/component_model/func.rs
index 36ddfe015e5c..2632a830b348 100644
--- a/tests/all/component_model/func.rs
+++ b/tests/all/component_model/func.rs
@@ -503,7 +503,7 @@ fn floats() -> Result<()> {
             .call(&mut store, (CANON_32BIT_NAN | 1,))?
             .0
             .to_bits(),
-        CANON_32BIT_NAN
+        CANON_32BIT_NAN | 1
     );
     u32_to_f32.post_return(&mut store)?;
     assert_eq!(
@@ -511,18 +511,18 @@ fn floats() -> Result<()> {
             .call(&mut store, (CANON_64BIT_NAN | 1,))?
             .0
             .to_bits(),
-        CANON_64BIT_NAN,
+        CANON_64BIT_NAN | 1,
     );
     u64_to_f64.post_return(&mut store)?;
 
     assert_eq!(
         f32_to_u32.call(&mut store, (f32::from_bits(CANON_32BIT_NAN | 1),))?,
-        (CANON_32BIT_NAN,)
+        (CANON_32BIT_NAN | 1,)
     );
     f32_to_u32.post_return(&mut store)?;
     assert_eq!(
         f64_to_u64.call(&mut store, (f64::from_bits(CANON_64BIT_NAN | 1),))?,
-        (CANON_64BIT_NAN,)
+        (CANON_64BIT_NAN | 1,)
     );
     f64_to_u64.post_return(&mut store)?;
 
@@ -937,7 +937,10 @@ fn many_parameters() -> Result<()> {
     assert_eq!(i8::from_le_bytes(*actual.take_n::<1>()), input.0);
     actual.skip::<7>();
     assert_eq!(u64::from_le_bytes(*actual.take_n::<8>()), input.1);
-    assert_eq!(u32::from_le_bytes(*actual.take_n::<4>()), CANON_32BIT_NAN);
+    assert_eq!(
+        u32::from_le_bytes(*actual.take_n::<4>()),
+        CANON_32BIT_NAN | 1
+    );
     assert_eq!(u8::from_le_bytes(*actual.take_n::<1>()), input.3);
     actual.skip::<1>();
     assert_eq!(i16::from_le_bytes(*actual.take_n::<2>()), input.4);
@@ -1703,7 +1706,7 @@ fn expected() -> Result<()> {
     let ret = to_expected_s16_f32
         .call(&mut store, (1, CANON_32BIT_NAN | 1))?
         .0;
-    assert_eq!(ret.unwrap_err().to_bits(), CANON_32BIT_NAN);
+    assert_eq!(ret.unwrap_err().to_bits(), CANON_32BIT_NAN | 1);
     to_expected_s16_f32.post_return(&mut store)?;
     assert!(to_expected_s16_f32.call(&mut store, (2, 0)).is_err());