diff --git a/JQLibraryImport.pri b/JQLibraryImport.pri
index cec6a85..d3d829a 100644
--- a/JQLibraryImport.pri
+++ b/JQLibraryImport.pri
@@ -12,7 +12,7 @@
 
 include( $$PWD/lib/JQLibrary/JQLibrary.pri )
 
-mac : exists( /usr/local/opt/gflags/lib/libgflags.2.2.dylib ) {
+mac {
     include( $$PWD/lib/JQLibrary/JQGuetzli.pri )
 }
 
diff --git a/lib/JQLibrary/include/JQGuetzli/JQGuetzli.h b/lib/JQLibrary/include/JQGuetzli/JQGuetzli.h
index 4179886..67fcb3c 100644
--- a/lib/JQLibrary/include/JQGuetzli/JQGuetzli.h
+++ b/lib/JQLibrary/include/JQGuetzli/JQGuetzli.h
@@ -15,8 +15,8 @@
     http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
 */
 
-#ifndef __JQGuetzli_h__
-#define __JQGuetzli_h__
+#ifndef JQGUETZLI_H_
+#define JQGUETZLI_H_
 
 // Qt lib import
 #include <QString>
@@ -39,4 +39,4 @@ ProcessResult process(const QString &inputImageFilePath, const QString &outputIm
 
 }
 
-#endif//__JQGuetzli_h__
+#endif//JQGUETZLI_H_