diff --git a/modules/dnn/src/cuda4dnn/init.hpp b/modules/dnn/src/cuda4dnn/init.hpp
index b548f0958a..e9d997311f 100644
--- a/modules/dnn/src/cuda4dnn/init.hpp
+++ b/modules/dnn/src/cuda4dnn/init.hpp
@@ -57,6 +57,9 @@ namespace cv { namespace dnn { namespace cuda4dnn {
 
     bool isDeviceCompatible()
     {
+        if (getDeviceCount() <= 0)
+            return false;
+
         int device_id = getDevice();
         if (device_id < 0)
             return false;
@@ -77,6 +80,9 @@ namespace cv { namespace dnn { namespace cuda4dnn {
 
     bool doesDeviceSupportFP16()
     {
+        if (getDeviceCount() <= 0)
+            return false;
+
         int device_id = getDevice();
         if (device_id < 0)
             return false;