diff --git a/src/core/controller.cpp b/src/core/controller.cpp
index 1ae19ef3..d8d7fcbf 100644
--- a/src/core/controller.cpp
+++ b/src/core/controller.cpp
@@ -327,7 +327,7 @@ namespace
 		if(!check_button_active(name))
 			return;
 		auto z = active_buttons[name];
-		if(!z.bind.mode != 1) {
+		if(z.bind.mode != 1) {
 			std::cerr << name << " is not a axis." << std::endl;
 			return;
 		}