diff --git a/src/configmanager.cpp b/src/configmanager.cpp
index e1f1d441b7..18d37f2a03 100644
--- a/src/configmanager.cpp
+++ b/src/configmanager.cpp
@@ -10,7 +10,6 @@
 #include "webpublishdialog_config.h"
 #include "insertgraphics_config.h"
 #include "grammarcheck_config.h"
-#include "PDFDocument.h"
 #include "PDFDocument_config.h"
 #include "terminal_config.h"
 #include "encoding.h"
diff --git a/src/configmanager.h b/src/configmanager.h
index 451ac9008f..9cfdea7013 100644
--- a/src/configmanager.h
+++ b/src/configmanager.h
@@ -6,6 +6,7 @@
 #include "buildmanager.h"
 #include "configmanagerinterface.h"
 #include "smallUsefulFunctions.h"
+#include "PDFDocument.h"
 
 class ConfigDialog;
 class LatexCompleterConfig;