diff --git a/src/setup/win32/Include.wxi.in b/src/setup/win32/Include.wxi.in
index f533d15b..a9448406 100644
--- a/src/setup/win32/Include.wxi.in
+++ b/src/setup/win32/Include.wxi.in
@@ -22,5 +22,9 @@
     <?define QtPlatformPath="$(var.QtPath)\plugins\platforms" ?>
     <?define OpenSSLPath="$(var.ExtPath)\openssl\windows\$(var.Platform)" ?>
     <?define OpenSSLBinPath="$(var.OpenSSLPath)\bin" ?>
-    <?define CRT="$(env.CommonProgramFiles)\Merge Modules\Microsoft_VC140_CRT_$(var.Platform).msm" ?>
+    <?if $(var.Configuration) = "Debug" ?>
+        <?define CRT="$(env.CommonProgramFiles)\Merge Modules\Microsoft_VC140_DebugCRT_$(var.Platform).msm" ?>
+    <?else ?>
+        <?define CRT="$(env.CommonProgramFiles)\Merge Modules\Microsoft_VC140_CRT_$(var.Platform).msm" ?>
+    <?endif ?>
 </Include>
\ No newline at end of file