diff --git a/borders-plus-plus/borderDeco.hpp b/borders-plus-plus/borderDeco.hpp
index 7a61333..44f2f7e 100644
--- a/borders-plus-plus/borderDeco.hpp
+++ b/borders-plus-plus/borderDeco.hpp
@@ -13,7 +13,7 @@ class CBordersPlusPlus : public IHyprWindowDecoration {
 
     virtual void                       onPositioningReply(const SDecorationPositioningReply& reply);
 
-    virtual void                       draw(PHLMONITOR, float a);
+    virtual void                       draw(PHLMONITOR, float const& a);
 
     virtual eDecorationType            getDecorationType();
 
diff --git a/hyprbars/barDeco.hpp b/hyprbars/barDeco.hpp
index 8f34c32..de70512 100644
--- a/hyprbars/barDeco.hpp
+++ b/hyprbars/barDeco.hpp
@@ -16,7 +16,7 @@ class CHyprBar : public IHyprWindowDecoration {
 
     virtual void                       onPositioningReply(const SDecorationPositioningReply& reply);
 
-    virtual void                       draw(PHLMONITOR, float a);
+    virtual void                       draw(PHLMONITOR, float const& a);
 
     virtual eDecorationType            getDecorationType();
 
diff --git a/hyprtrails/trail.hpp b/hyprtrails/trail.hpp
index df8e63a..bd4fcb1 100644
--- a/hyprtrails/trail.hpp
+++ b/hyprtrails/trail.hpp
@@ -37,7 +37,7 @@ class CTrail : public IHyprWindowDecoration {
 
     virtual void                       onPositioningReply(const SDecorationPositioningReply& reply);
 
-    virtual void                       draw(PHLMONITOR, float a);
+    virtual void                       draw(PHLMONITOR, float const& a);
 
     virtual eDecorationType            getDecorationType();