diff --git a/src/lib.rs b/src/lib.rs
index 8a3b330839..04a95a1248 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -699,7 +699,11 @@ pub unsafe trait LessThanOrEqual<RHS> {}
 #[macro_export]
 macro_rules! tasks {
     ($device:ident, {
-        $($task:ident: ($Interrupt:ident, $P:ident, $enabled:expr),)*
+        $($task:ident: Task {
+            interrupt:$Interrupt:ident,
+            priority: $P:ident,
+            enabled: $enabled:expr,
+        },)*
     }) => {
         fn main() {
             $crate::critical(|cmax| {
diff --git a/tests/cfail/tasks-p0.rs b/tests/cfail/tasks-p0.rs
index 4db3d3895e..521db54584 100644
--- a/tests/cfail/tasks-p0.rs
+++ b/tests/cfail/tasks-p0.rs
@@ -11,7 +11,11 @@ use device::interrupt::Exti0;
 // WRONG: Tasks can't have a priority of 0.
 // Only idle and init can have a priority of 0.
 tasks!(device, {
-    j1: (Exti0, P0),
+    j1: Task {
+        interrupt: Exti0,
+        priority: P0,
+        enabled: true,
+    },
 });
 
 fn init(_: P0, _: &C16) {}
diff --git a/tests/cfail/tasks-same-handler.rs b/tests/cfail/tasks-same-handler.rs
index 89e20121bf..457ff55e91 100644
--- a/tests/cfail/tasks-same-handler.rs
+++ b/tests/cfail/tasks-same-handler.rs
@@ -10,8 +10,16 @@ use device::interrupt::Exti0;
 
 // WRONG: Two tasks mapped to the same interrupt handler
 tasks!(device, {
-    j1: (Exti0, P1),
-    j2: (Exti0, P2),
+    j1: Task {
+        interrupt: Exti0,
+        priority: P1,
+        enabled: true,
+    },
+    j2: Task {
+        interrupt: Exti0,
+        priority: P2,
+        enabled: true,
+    },
 });
 
 fn init(_: P0, _: &C16) {}
diff --git a/tests/cfail/tasks-wrong-idle.rs b/tests/cfail/tasks-wrong-idle.rs
index 4ee910ee84..9c247a94ad 100644
--- a/tests/cfail/tasks-wrong-idle.rs
+++ b/tests/cfail/tasks-wrong-idle.rs
@@ -9,7 +9,11 @@ use device::interrupt::Exti0;
 use rtfm::{C16, P0, P1};
 
 tasks!(device, {
-    j1: (Exti0, P1),
+    j1: Task {
+        interrupt: Exti0,
+        priority: P1,
+        enabled: true,
+    },
 });
 
 fn init(_: P0, _: &C16) {}
diff --git a/tests/cfail/tasks-wrong-init.rs b/tests/cfail/tasks-wrong-init.rs
index 0f6e1c1e1c..ab82234dd7 100644
--- a/tests/cfail/tasks-wrong-init.rs
+++ b/tests/cfail/tasks-wrong-init.rs
@@ -9,7 +9,11 @@ use rtfm::{C1, P0, P1};
 use device::interrupt::Exti0;
 
 tasks!(device, {
-    j1: (Exti0, P1),
+    j1: Task {
+        interrupt: Exti0,
+        priority: P1,
+        enabled: true,
+    },
 });
 
 // WRONG. `init` must have signature `fn(P0, &C16)`
diff --git a/tests/cfail/tasks-wrong-priority.rs b/tests/cfail/tasks-wrong-priority.rs
index 75cbc0cc40..827acdde9e 100644
--- a/tests/cfail/tasks-wrong-priority.rs
+++ b/tests/cfail/tasks-wrong-priority.rs
@@ -9,7 +9,11 @@ use cortex_m_srp::{C16, P0, P1, P2};
 use device::interrupt::Exti1;
 
 tasks!(device, {
-    j1: (Exti0, P1),
+    j1: Task {
+        interrupt: Exti0,
+        priority: P1,
+        enabled: true,
+    },
 });
 
 fn init(_: P0, _: &C16) {}
diff --git a/tests/cfail/tasks-wrong-task.rs b/tests/cfail/tasks-wrong-task.rs
index 0200da2d18..479c223fcd 100644
--- a/tests/cfail/tasks-wrong-task.rs
+++ b/tests/cfail/tasks-wrong-task.rs
@@ -9,7 +9,11 @@ use cortex_mrtfm::{C16, P0, P1};
 use device::interrupt::Exti1;
 
 tasks!(device, {
-    j1: (Exti0, P1),
+    j1: Task {
+        interrupt: Exti0,
+        priority: P1,
+        enabled: true,
+    },
 });
 
 fn init(_: P0, _: &C16) {}