diff --git a/src/convert/slices.rs b/src/convert/slices.rs
index bf41a33d..ba0e3cfe 100644
--- a/src/convert/slices.rs
+++ b/src/convert/slices.rs
@@ -128,20 +128,15 @@ vectors! {
 cfg_if! {
     if #[cfg(feature = "enable-interning")] {
         #[inline]
-        fn get_cached_str(x: &str) -> WasmSlice {
-            if let Some(x) = crate::cache::intern::get_str(x) {
-                // This uses 0 for the ptr as an indication that it is a JsValue and not a str
-                WasmSlice { ptr: 0, len: x.into_abi() }
-
-            } else {
-                x.into_bytes().into_abi()
-            }
+        fn get_cached_str(x: &str) -> Option<WasmSlice> {
+            // This uses 0 for the ptr as an indication that it is a JsValue and not a str
+            crate::cache::intern::get_str(x).map(|x| WasmSlice { ptr: 0, len: x.into_abi() })
         }
 
     } else {
         #[inline]
-        fn get_cached_str(x: &str) -> WasmSlice {
-            x.into_bytes().into_abi()
+        fn get_cached_str(_x: &str) -> Option<WasmSlice> {
+            None
         }
     }
 }
@@ -177,7 +172,7 @@ if_std! {
 
         #[inline]
         fn into_abi(self) -> Self::Abi {
-            get_cached_str(&self)
+            get_cached_str(&self).unwrap_or_else(|| self.into_bytes().into_abi())
         }
     }
 
@@ -205,7 +200,7 @@ impl<'a> IntoWasmAbi for &'a str {
 
     #[inline]
     fn into_abi(self) -> Self::Abi {
-        get_cached_str(self)
+        get_cached_str(self).unwrap_or_else(|| self.as_bytes().into_abi())
     }
 }