diff --git a/src/ol/webgl/shader.mustache b/src/ol/webgl/shader.mustache
index 85325305a4..46a003fd2a 100644
--- a/src/ol/webgl/shader.mustache
+++ b/src/ol/webgl/shader.mustache
@@ -38,8 +38,8 @@ if (ol.ENABLE_WEBGL) {
    * @type {string}
    */
   {{className}}.Fragment.SOURCE = ol.DEBUG_WEBGL ?
-      {{className}}.Fragment.DEBUG_SOURCE :
-      {{className}}.Fragment.OPTIMIZED_SOURCE;
+    {{className}}.Fragment.DEBUG_SOURCE :
+    {{className}}.Fragment.OPTIMIZED_SOURCE;
 
 
   {{className}}.fragment = new {{className}}.Fragment();
@@ -75,8 +75,8 @@ if (ol.ENABLE_WEBGL) {
    * @type {string}
    */
   {{className}}.Vertex.SOURCE = ol.DEBUG_WEBGL ?
-      {{className}}.Vertex.DEBUG_SOURCE :
-      {{className}}.Vertex.OPTIMIZED_SOURCE;
+    {{className}}.Vertex.DEBUG_SOURCE :
+    {{className}}.Vertex.OPTIMIZED_SOURCE;
 
 
   {{className}}.vertex = new {{className}}.Vertex();