diff --git a/src/zend/methods.rs b/src/zend/methods.rs
index ac33f11..7162bc0 100644
--- a/src/zend/methods.rs
+++ b/src/zend/methods.rs
@@ -9,7 +9,7 @@ use std::ffi::CString;
 pub fn php_echo(message: &str) {
     let c_message = CString::new(message).unwrap();
     unsafe {
-        php_printf(c_message.as_bytes_with_nul().as_ptr() as *const i8);
+        php_printf(c_str!("%s"), c_message.as_bytes_with_nul().as_ptr() as *const i8);
     }
 }
 
@@ -188,4 +188,4 @@ fn add_zend_value_to_zval(value: ZendValue, zval: &mut Zval) {
         zval.type_info = zval_from_value.type_info;
         zval.u2 = zval_from_value.u2;
     }
-}
\ No newline at end of file
+}