diff --git a/library/src/main/java/com/heinrichreimersoftware/materialintro/view/parallax/ParallaxFrameLayout.java b/library/src/main/java/com/heinrichreimersoftware/materialintro/view/parallax/ParallaxFrameLayout.java
index c1dca4f..6e2b20a 100644
--- a/library/src/main/java/com/heinrichreimersoftware/materialintro/view/parallax/ParallaxFrameLayout.java
+++ b/library/src/main/java/com/heinrichreimersoftware/materialintro/view/parallax/ParallaxFrameLayout.java
@@ -72,36 +72,36 @@ public LayoutParams(int width, int height) {
             super(width, height);
         }
 
-        public LayoutParams(int width, int height, float pFactor) {
+        public LayoutParams(int width, int height, float parallaxFactor) {
             super(width, height);
-            parallaxFactor = pFactor;
+            this.parallaxFactor = parallaxFactor;
         }
 
         public LayoutParams(int width, int height, int gravity) {
             super(width, height, gravity);
         }
 
-        public LayoutParams(int width, int height, int gravity, float pFactor) {
+        public LayoutParams(int width, int height, int gravity, float parallaxFactor) {
             super(width, height, gravity);
-            parallaxFactor = pFactor;
+            this.parallaxFactor = parallaxFactor;
         }
 
         public LayoutParams(ViewGroup.LayoutParams source) {
             super(source);
         }
 
-        public LayoutParams(ViewGroup.LayoutParams source, float pFactor) {
+        public LayoutParams(ViewGroup.LayoutParams source, float parallaxFactor) {
             super(source);
-            parallaxFactor = pFactor;
+            this.parallaxFactor = parallaxFactor;
         }
 
         public LayoutParams(MarginLayoutParams source) {
             super(source);
         }
 
-        public LayoutParams(MarginLayoutParams source, float pFactor) {
+        public LayoutParams(MarginLayoutParams source, float parallaxFactor) {
             super(source);
-            parallaxFactor = pFactor;
+            this.parallaxFactor = parallaxFactor;
         }
     }
 
diff --git a/library/src/main/java/com/heinrichreimersoftware/materialintro/view/parallax/ParallaxLinearLayout.java b/library/src/main/java/com/heinrichreimersoftware/materialintro/view/parallax/ParallaxLinearLayout.java
index 1d4cb36..cd8eb40 100644
--- a/library/src/main/java/com/heinrichreimersoftware/materialintro/view/parallax/ParallaxLinearLayout.java
+++ b/library/src/main/java/com/heinrichreimersoftware/materialintro/view/parallax/ParallaxLinearLayout.java
@@ -72,36 +72,36 @@ public LayoutParams(int width, int height) {
             super(width, height);
         }
 
-        public LayoutParams(int width, int height, float pFactor) {
+        public LayoutParams(int width, int height, float parallaxFactor) {
             super(width, height);
-            parallaxFactor = pFactor;
+            this.parallaxFactor = parallaxFactor;
         }
 
         public LayoutParams(int width, int height, int gravity) {
             super(width, height, gravity);
         }
 
-        public LayoutParams(int width, int height, int gravity, float pFactor) {
+        public LayoutParams(int width, int height, int gravity, float parallaxFactor) {
             super(width, height, gravity);
-            parallaxFactor = pFactor;
+            this.parallaxFactor = parallaxFactor;
         }
 
         public LayoutParams(ViewGroup.LayoutParams source) {
             super(source);
         }
 
-        public LayoutParams(ViewGroup.LayoutParams source, float pFactor) {
+        public LayoutParams(ViewGroup.LayoutParams source, float parallaxFactor) {
             super(source);
-            parallaxFactor = pFactor;
+            this.parallaxFactor = parallaxFactor;
         }
 
         public LayoutParams(MarginLayoutParams source) {
             super(source);
         }
 
-        public LayoutParams(MarginLayoutParams source, float pFactor) {
+        public LayoutParams(MarginLayoutParams source, float parallaxFactor) {
             super(source);
-            parallaxFactor = pFactor;
+            this.parallaxFactor = parallaxFactor;
         }
     }
 
diff --git a/library/src/main/java/com/heinrichreimersoftware/materialintro/view/parallax/ParallaxRelativeLayout.java b/library/src/main/java/com/heinrichreimersoftware/materialintro/view/parallax/ParallaxRelativeLayout.java
index eab5050..11175cb 100644
--- a/library/src/main/java/com/heinrichreimersoftware/materialintro/view/parallax/ParallaxRelativeLayout.java
+++ b/library/src/main/java/com/heinrichreimersoftware/materialintro/view/parallax/ParallaxRelativeLayout.java
@@ -72,27 +72,27 @@ public LayoutParams(int width, int height) {
             super(width, height);
         }
 
-        public LayoutParams(int width, int height, float pFactor) {
+        public LayoutParams(int width, int height, float parallaxFactor) {
             super(width, height);
-            parallaxFactor = pFactor;
+            this.parallaxFactor = parallaxFactor;
         }
 
         public LayoutParams(ViewGroup.LayoutParams source) {
             super(source);
         }
 
-        public LayoutParams(ViewGroup.LayoutParams source, float pFactor) {
+        public LayoutParams(ViewGroup.LayoutParams source, float parallaxFactor) {
             super(source);
-            parallaxFactor = pFactor;
+            this.parallaxFactor = parallaxFactor;
         }
 
         public LayoutParams(MarginLayoutParams source) {
             super(source);
         }
 
-        public LayoutParams(MarginLayoutParams source, float pFactor) {
+        public LayoutParams(MarginLayoutParams source, float parallaxFactor) {
             super(source);
-            parallaxFactor = pFactor;
+            this.parallaxFactor = parallaxFactor;
         }
     }