diff --git a/hyphae/src/vm.rs b/hyphae/src/vm.rs
index 9b2628e..e1d5756 100644
--- a/hyphae/src/vm.rs
+++ b/hyphae/src/vm.rs
@@ -398,7 +398,7 @@ impl VM {
                         n.0 > u8::MAX.into() || n.0 < 0.0 {
                             e!("input to NTOBV cannot cleanly convert");
                         }
-                    Datum::ByteVector(n.0.to_bits().to_be_bytes().to_vec()).into()
+                    Datum::ByteVector(n.0.to_bits().to_ne_bytes().to_vec()).into()
                 } else {
                     e!("illegal argument to NTOBV instruction");
                 }
@@ -1103,6 +1103,7 @@ mod tests {
     #[test]
     fn isa_conversions() {
         let mut vm = VM::from(Program(vec![], vec![
+
             // load from stack into expr
             Instruction(i::DUPL,  vec![Operand(Address::Stack, 0),
                                        Operand(Address::Expr,  0)]),
@@ -1112,7 +1113,6 @@ mod tests {
             Instruction(i::PUSH,  vec![Operand(Address::Expr, 0)]),
 
             // reset expr to original char
-
             Instruction(i::DUPL,  vec![Operand(Address::Stack, 1),
                                        Operand(Address::Expr,  0)]),
 
@@ -1150,7 +1150,8 @@ mod tests {
                 (2, Datum::Number(Number::Flt(Float(97.0))).into()),
                 (3, Datum::Number(Number::Fra(Fraction(97, 1))).into()),
                 (4, Datum::String(vec![b'a']).into()),
-                (5, Datum::Char(b'a').into()),
+                (5, Datum::Number(Number::Fra(Fraction(97, 1))).into()),
+                (6, Datum::Char(b'a').into()),
             ],
             syms: vec![],
             errr: None,