diff --git a/modules/core/include/opencv2/core/cvdef.h b/modules/core/include/opencv2/core/cvdef.h
index b48dcdd7fa..dc4b0e490f 100644
--- a/modules/core/include/opencv2/core/cvdef.h
+++ b/modules/core/include/opencv2/core/cvdef.h
@@ -307,7 +307,8 @@ enum CpuFeatures {
 #define CV_2PI 6.283185307179586476925286766559
 #define CV_LOG2 0.69314718055994530941723212145818
 
-#if defined (__ARM_FP16_FORMAT_IEEE)
+#if defined __ARM_FP16_FORMAT_IEEE \
+    && !defined __CUDACC__
 #  define CV_FP16_TYPE 1
 #else
 #  define CV_FP16_TYPE 0