diff --git a/fpdfsdk/cpdfsdk_datetime.cpp b/fpdfsdk/cpdfsdk_datetime.cpp
index 5bcce13..3f54e21 100644
--- a/fpdfsdk/cpdfsdk_datetime.cpp
+++ b/fpdfsdk/cpdfsdk_datetime.cpp
@@ -6,7 +6,7 @@
 
 #include "fpdfsdk/include/cpdfsdk_datetime.h"
 
-#include "core/fxcrt/include/fx_ext.h"
+#include "core/fxcrt/fx_ext.h"
 
 namespace {