diff --git a/src/capture_filter/resize.c b/src/capture_filter/resize.c
index fcdc81dc4..c89627e07 100644
--- a/src/capture_filter/resize.c
+++ b/src/capture_filter/resize.c
@@ -222,18 +222,16 @@ static struct video_frame *filter(void *state, struct video_frame *in)
     }
 
     for (unsigned int i = 0; i < frame->tile_count; i++) {
-        int res;
         if (s->param.mode == USE_DIMENSIONS) {
-            res = resize_frame(in->tiles[i].data, in->color_spec, frame->tiles[i].data, in->tiles[i].width, in->tiles[i].height, s->param.target_width, s->param.target_height);
+                resize_frame(in->tiles[i].data, in->color_spec,
+                             frame->tiles[i].data, in->tiles[i].width,
+                             in->tiles[i].height, s->param.target_width,
+                             s->param.target_height);
         } else {
-            res = resize_frame_factor(in->tiles[i].data, in->color_spec, frame->tiles[i].data, in->tiles[i].width, in->tiles[i].height, (double)s->param.num/s->param.denom);
-        }
-
-        if(res!=0){
-            error_msg("\n[RESIZE ERROR] Unable to resize with scale factor configured [%d/%d] in tile number %d\n", s->param.num, s->param.denom, i);
-            error_msg("\t\t No scale factor applied at all. No frame returns...\n");
-            vf_free(frame);
-            return NULL;
+                resize_frame_factor(in->tiles[i].data, in->color_spec,
+                                    frame->tiles[i].data, in->tiles[i].width,
+                                    in->tiles[i].height,
+                                    (double) s->param.num / s->param.denom);
         }
     }
 
diff --git a/src/capture_filter/resize_utils.cpp b/src/capture_filter/resize_utils.cpp
index 1772528ac..78b81d193 100644
--- a/src/capture_filter/resize_utils.cpp
+++ b/src/capture_filter/resize_utils.cpp
@@ -109,27 +109,25 @@ static Mat ug_to_rgb_mat(codec_t codec, int width, int height, char *indata) {
     return rgb;
 }
 
-int resize_frame_factor(char *indata, codec_t in_color, char *outdata, unsigned int width, unsigned int height, double scale_factor){
+void
+resize_frame_factor(char *indata, codec_t in_color, char *outdata,
+                    unsigned int width, unsigned int height,
+                    double scale_factor)
+{
     Mat rgb, out(height * scale_factor, width * scale_factor, CV_8UC3, outdata);
 
-    if (indata == NULL || outdata == NULL) {
-        return 1;
-    }
-
     rgb = ug_to_rgb_mat(in_color, width, height, indata);
     resize(rgb, out, Size(0,0), scale_factor, scale_factor, INTER_LINEAR);
-
-    return 0;
 }
 
-int resize_frame(char *indata, codec_t in_color, char *outdata, unsigned int width, unsigned int height, unsigned int target_width, unsigned int target_height) {
+void
+resize_frame(char *indata, codec_t in_color, char *outdata, unsigned int width,
+             unsigned int height, unsigned int target_width,
+             unsigned int target_height)
+{
     Mat rgb, out = cv::Mat::zeros(target_height, target_width, CV_8UC3);
     codec_t out_color = RGB;
 
-    if (indata == NULL || outdata == NULL) {
-        return 1;
-    }
-
     rgb = ug_to_rgb_mat(in_color, width, height, indata);
 
     double in_aspect = (double) width / height;
@@ -168,8 +166,6 @@ int resize_frame(char *indata, codec_t in_color, char *outdata, unsigned int wid
 
     out.data = (uchar *) outdata;
     resize(rgb, out(r), r.size());
-
-    return 0;
 }
 
 /* vim: set expandtab sw=4: */
diff --git a/src/capture_filter/resize_utils.h b/src/capture_filter/resize_utils.h
index 61085b703..79c0dd473 100644
--- a/src/capture_filter/resize_utils.h
+++ b/src/capture_filter/resize_utils.h
@@ -1,9 +1,11 @@
 /*
- * FILE:    capture_filter/resize_utils.c
+ * FILE:    capture_filter/resize_utils.h
  * AUTHORS: Gerard Castillo     <gerard.castillo@i2cat.net>
  *          Marc Palau          <marc.palau@i2cat.net>
+ *          Martin Pulec        <martin.pulec@cesnet.cz>
  *
  * Copyright (c) 2005-2010 Fundació i2CAT, Internet I Innovació Digital a Catalunya
+ * Copyright (c) 2015-2023 CESNET, z. s. p. o.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, is permitted provided that the following conditions
@@ -51,8 +53,12 @@
 extern "C" {
 #endif
 
-int resize_frame_factor(char *indata, codec_t in_color, char *outdata, unsigned int width, unsigned int height, double scale_factor);
-int resize_frame(char *indata, codec_t in_color, char *outdata, unsigned int width, unsigned int height, unsigned int target_width, unsigned int target_height);
+void resize_frame_factor(char *indata, codec_t in_color, char *outdata,
+                        unsigned int width, unsigned int height,
+                        double scale_factor);
+void resize_frame(char *indata, codec_t in_color, char *outdata,
+                 unsigned int width, unsigned int height,
+                 unsigned int target_width, unsigned int target_height);
 
 #ifdef __cplusplus
 }