diff --git a/CHANGELOG.md b/CHANGELOG.md
index 481d7359eec..9600180601e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,13 @@
+<a name="v1.5.6"></a>
+### v1.5.6 (2017-02-18)
+
+
+#### Bug Fixes
+
+* **clap_app!:**  fixes a critical bug of a missing fragmet specifier when using  tags ([39647f49](https://github.com/kbknapp/clap-rs/commit/39647f495ae5402ae39569ef2ca91cfca1875bca))
+
+
+
 <a name="v1.5.5"></a>
 ### v1.5.5 (2016-01-04)
 
diff --git a/Cargo.toml b/Cargo.toml
index cc6365791b8..3eed79e03f5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 
 name = "clap"
-version = "1.5.5"
+version = "1.5.6"
 authors = ["Kevin K. <kbknapp@gmail.com>"]
 exclude = ["examples/*", "clap-tests/*", "tests/*", "benches/*", "*.png", "clap-perf/*"]
 description = "A simple to use, efficient, and full featured  Command Line Argument Parser"
diff --git a/src/macros.rs b/src/macros.rs
index 885c1185e90..aa984b50d4b 100644
--- a/src/macros.rs
+++ b/src/macros.rs
@@ -708,7 +708,7 @@ macro_rules! clap_app {
         clap_app!{ @arg ($arg) $modes +required $($tail)* }
     };
     // !foo -> .foo(false)
-    (@arg ($arg:expr) $modes:tt !$ident $($tail:tt)*) => {
+    (@arg ($arg:expr) $modes:tt !$ident:ident $($tail:tt)*) => {
         clap_app!{ @arg ($arg.$ident(false)) $modes $($tail)* }
     };
     // foo -> .foo(true)