diff --git a/include/behaviour_control/complementary_filter.h b/include/behaviour_control/complementary_filter.h
index 8300132..caf4756 100644
--- a/include/behaviour_control/complementary_filter.h
+++ b/include/behaviour_control/complementary_filter.h
@@ -7,6 +7,6 @@ class ComplementaryFilter{
         ComplementaryFilter(float k);
         float calculate(float f);
     private:
-        int K;
+        float K;
         float oldVal;
 };
\ No newline at end of file