diff --git a/src/coco_kernels.cu b/src/coco_kernels.cu
index 4dc3e88f..298bc34a 100644
--- a/src/coco_kernels.cu
+++ b/src/coco_kernels.cu
@@ -32,7 +32,7 @@ static image det_s;
 static image disp ;
 static cv::VideoCapture cap;
 static float fps = 0;
-static int demo_thresh = 0;
+static float demo_thresh = 0;
 
 void *fetch_in_thread_coco(void *ptr)
 {
diff --git a/src/yolo_kernels.cu b/src/yolo_kernels.cu
index e603caf9..d7f1b260 100644
--- a/src/yolo_kernels.cu
+++ b/src/yolo_kernels.cu
@@ -33,7 +33,7 @@ static image det_s;
 static image disp ;
 static cv::VideoCapture cap;
 static float fps = 0;
-static int demo_thresh = 0;
+static float demo_thresh = 0;
 
 void *fetch_in_thread(void *ptr)
 {