diff --git a/CHANGELOG.md b/CHANGELOG.md
index 06367a4385..6429752a66 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,8 +2,10 @@
 
 - `PhpException` no longer requires a lifetime [#80].
 - Added `PhpException` and `PhpResult` to prelude [#80].
+- Fixed `ZendString` missing last character [#82].
 
 [#80]: https://github.com/davidcole1340/ext-php-rs/pull/80
+[#82]: https://github.com/davidcole1340/ext-php-rs/pull/82
 
 ## Version 0.5.0
 
diff --git a/src/php/types/string.rs b/src/php/types/string.rs
index aae92f4392..8c5e7f75c7 100644
--- a/src/php/types/string.rs
+++ b/src/php/types/string.rs
@@ -54,7 +54,7 @@ impl ZendStr {
     pub fn as_c_str(&self) -> &CStr {
         // SAFETY: Zend strings store their readable length in a fat pointer.
         unsafe {
-            let slice = slice::from_raw_parts(self.val.as_ptr() as *const u8, self.len());
+            let slice = slice::from_raw_parts(self.val.as_ptr() as *const u8, self.len() + 1);
             CStr::from_bytes_with_nul_unchecked(slice)
         }
     }