diff --git a/src/App/MappedName.h b/src/App/MappedName.h
index 9921e4280e..8e3ef863db 100644
--- a/src/App/MappedName.h
+++ b/src/App/MappedName.h
@@ -25,7 +25,6 @@
 #ifndef APP_MAPPED_NAME_H
 #define APP_MAPPED_NAME_H
 
-
 #include <memory>
 #include <string>
 
diff --git a/src/Mod/PartDesign/Gui/PreCompiled.h b/src/Mod/PartDesign/Gui/PreCompiled.h
index 4065daab5c..29ac54ca4a 100644
--- a/src/Mod/PartDesign/Gui/PreCompiled.h
+++ b/src/Mod/PartDesign/Gui/PreCompiled.h
@@ -32,6 +32,8 @@
 #ifdef _PreComp_
 
 #ifdef FC_OS_WIN32
+# undef NOMINMAX
+# define NOMINMAX
 # include <windows.h>
 #endif