diff --git a/config.pri b/config.pri
index f5438863..1a9e410c 100644
--- a/config.pri
+++ b/config.pri
@@ -3,7 +3,13 @@
 # for a more detailed description, see INSTALL.TXT
 
 CONFIG += c++17
-win32:QMAKE_CXXFLAGS += /std:c++17 /Zc:__cplusplus /permissive- #enable c++17 explicitly in msvc
+
+win32 {
+    #enable c++17 explicitly in msvc
+    QMAKE_CXXFLAGS += /std:c++17 /Zc:__cplusplus /permissive-
+    CONFIG -= debug_and_release
+    !CONFIG(Release):!CONFIG(Debug):CONFIG += Release
+}
 
 DEFINES += NOMINMAX