diff --git a/aegisub/subtitles_provider_csri.h b/aegisub/subtitles_provider_csri.h
index 0d1f349ea..a5dd32b34 100644
--- a/aegisub/subtitles_provider_csri.h
+++ b/aegisub/subtitles_provider_csri.h
@@ -44,8 +44,12 @@
 #ifdef WIN32
 #define CSRIAPI
 #endif
-#include "csri/csri.h"
 
+ifdef __WINDOWS__
+#include "../csri/include/csri/csri.h"
+#else
+#include "csri/csri.h"
+#fi
 
 /////////////////////////////////////////////////
 // Common Subtitles Rendering Interface provider