diff --git a/lib/Inky.cpp b/lib/Inky.cpp
index f1c6c58..6e568c9 100644
--- a/lib/Inky.cpp
+++ b/lib/Inky.cpp
@@ -43,7 +43,7 @@ Position Inky::target(const GameState & gameState) const {
       targetPosition.y += 2;
       break;
     case Direction::NONE:
-      assert("Pacman should be moving!");
+      assert(false && "Pacman should be moving!");
       break;
   }
 
diff --git a/lib/Pinky.cpp b/lib/Pinky.cpp
index 1b855f1..0c06605 100644
--- a/lib/Pinky.cpp
+++ b/lib/Pinky.cpp
@@ -43,7 +43,7 @@ Position Pinky::target(const GameState & gameState) const {
       targetPosition.y += 4;
       break;
     case Direction::NONE:
-      assert("Pacman should be moving!");
+      assert(false && "Pacman should be moving!");
       break;
   }
   return gridPositionToPosition(targetPosition);