diff --git a/sdk/plugins/sentence.cpp b/sdk/plugins/sentence.cpp
index 9bd56cd..4a60897 100644
--- a/sdk/plugins/sentence.cpp
+++ b/sdk/plugins/sentence.cpp
@@ -1,3 +1,4 @@
+#include <stdint.h>
 #include <openbr_plugin.h>
 
 using namespace cv;