diff --git a/Sources/CustomNavigationTitle/CustomNavigationTitle.swift b/Sources/CustomNavigationTitle/CustomNavigationTitle.swift
index 02d5ded..502f0d5 100644
--- a/Sources/CustomNavigationTitle/CustomNavigationTitle.swift
+++ b/Sources/CustomNavigationTitle/CustomNavigationTitle.swift
@@ -56,8 +56,8 @@ struct ScrollAwareTitleModifier<V: View>: ViewModifier {
                         .font(titleFont)
                         .lineLimit(1)
                         .opacity(isShowNavigationTitle ? 1 : 0)
-                        .blur(radius: preferredSolariumEffect ? (isShowNavigationTitle ? 0 : 4) : 0)
-                        .offset(y: preferredSolariumEffect ? (isShowNavigationTitle ? 0 : 15) : 0)
+                        .blur(radius: useSolariumEffect ? (isShowNavigationTitle ? 0 : 4) : 0)
+                        .offset(y: useSolariumEffect ? (isShowNavigationTitle ? 0 : 15) : 0)
                         .animation(resolvedAnimation, value: isShowNavigationTitle)
                 }
                 #if compiler(>=6.2)
@@ -86,7 +86,7 @@ struct ScrollAwareTitleModifier<V: View>: ViewModifier {
     }
 
     private var resolvedAnimation: Animation {
-        if preferredSolariumEffect, animation == nil {
+        if useSolariumEffect, animation == nil {
             let u = 0.5 // min(abs(scrollVelocity.dy) / 2, 1)
             let durationScale = 1 - 0.5 * u