diff --git a/highgui/src/jpeg_decoder_cvi.cpp b/highgui/src/jpeg_decoder_cvi.cpp
index ea975c3d..73b95298 100644
--- a/highgui/src/jpeg_decoder_cvi.cpp
+++ b/highgui/src/jpeg_decoder_cvi.cpp
@@ -193,7 +193,7 @@ static int load_sys_library()
 
     if (!whitelisted)
     {
-        fprintf(stderr, "this device is not \n");
+        fprintf(stderr, "this device is not whitelisted for jpeg decoder cvi\n");
         return -1;
     }
 
@@ -623,7 +623,7 @@ static int load_vdec_library()
 
     if (!whitelisted)
     {
-        fprintf(stderr, "this device is not \n");
+        fprintf(stderr, "this device is not whitelisted for jpeg decoder cvi\n");
         return -1;
     }
 
@@ -912,7 +912,7 @@ static int load_vpu_library()
 
     if (!whitelisted)
     {
-        fprintf(stderr, "this device is not \n");
+        fprintf(stderr, "this device is not whitelisted for jpeg decoder cvi\n");
         return -1;
     }
 
diff --git a/highgui/src/jpeg_encoder_rk_mpp.cpp b/highgui/src/jpeg_encoder_rk_mpp.cpp
index 33859bf3..2f462292 100644
--- a/highgui/src/jpeg_encoder_rk_mpp.cpp
+++ b/highgui/src/jpeg_encoder_rk_mpp.cpp
@@ -214,7 +214,7 @@ static int load_rkmpp_library()
 
     if (!whitelisted)
     {
-        fprintf(stderr, "this device is not \n");
+        fprintf(stderr, "this device is not whitelisted for jpeg encoder rkmpp\n");
         return -1;
     }
 
diff --git a/highgui/src/v4l2_capture_rk_aiq.cpp b/highgui/src/v4l2_capture_rk_aiq.cpp
index 3fad0d54..ba925d1e 100644
--- a/highgui/src/v4l2_capture_rk_aiq.cpp
+++ b/highgui/src/v4l2_capture_rk_aiq.cpp
@@ -366,7 +366,7 @@ static int load_rkaiq_library()
 
     if (!whitelisted)
     {
-        fprintf(stderr, "this device is not \n");
+        fprintf(stderr, "this device is not whitelisted for v4l2 capture rkaiq\n");
         return -1;
     }
 
@@ -624,7 +624,7 @@ static int load_rga_library()
 
     if (!whitelisted)
     {
-        fprintf(stderr, "this device is not \n");
+        fprintf(stderr, "this device is not whitelisted for v4l2 capture rkaiq\n");
         return -1;
     }