diff --git a/src/filters/blur/BlurXFilter.js b/src/filters/blur/BlurXFilter.js
index 6c87e39..708bdda 100644
--- a/src/filters/blur/BlurXFilter.js
+++ b/src/filters/blur/BlurXFilter.js
@@ -30,7 +30,7 @@
      */
     this.passes = 1;
 
-    this.stength = 8;
+    this.strength = 8;
 }
 
 BlurXFilter.prototype = Object.create(core.AbstractFilter.prototype);

diff --git a/src/filters/blur/BlurXFilter.js b/src/filters/blur/BlurXFilter.js
index 6c87e39..708bdda 100644
--- a/src/filters/blur/BlurXFilter.js
+++ b/src/filters/blur/BlurXFilter.js
@@ -30,7 +30,7 @@
      */
     this.passes = 1;
 
-    this.stength = 8;
+    this.strength = 8;
 }
 
 BlurXFilter.prototype = Object.create(core.AbstractFilter.prototype);
diff --git a/src/filters/blur/BlurYFilter.js b/src/filters/blur/BlurYFilter.js
index 5d8d5d8..232d227 100644
--- a/src/filters/blur/BlurYFilter.js
+++ b/src/filters/blur/BlurYFilter.js
@@ -22,7 +22,7 @@
     );
 
     this.passes = 1;
-    this.stength = 8;
+    this.strength = 8;
 }
 
 BlurYFilter.prototype = Object.create(core.AbstractFilter.prototype);