diff --git a/include/pangolin/gl/gl.hpp b/include/pangolin/gl/gl.hpp
index d472d8468..59571c794 100644
--- a/include/pangolin/gl/gl.hpp
+++ b/include/pangolin/gl/gl.hpp
@@ -92,9 +92,9 @@ inline size_t GlDataTypeBytes(GLenum type)
 
 inline size_t GlFormatChannels(GLenum data_layout)
 {
-  if (data_layout == GL_BGR) return 3;
-  if (data_layout == GL_BGRA) return 4;
-  return format_channels[data_layout - GL_RED];
+    if (data_layout == GL_BGR) return 3;
+    if (data_layout == GL_BGRA) return 4;
+    return format_channels[data_layout - GL_RED];
 }
 
 //template<typename T>