Index: uspace/app/fontviewer/fontviewer.c
===================================================================
--- uspace/app/fontviewer/fontviewer.c	(revision 38d150e6238ab44c861f6486e46454e07caeb0f0)
+++ uspace/app/fontviewer/fontviewer.c	(revision f43742e2319f2b70763dd51bbc6ef09fd8a86f2e)
@@ -38,4 +38,5 @@
 #include <stdlib.h>
 #include <stdbool.h>
+#include <str_error.h>
 #include <window.h>
 #include <canvas.h>
@@ -97,5 +98,5 @@
 	int rc = draw();
 	if (rc != EOK) {
-		printf("Failed drawing: %d.\n", rc);
+		printf("Failed drawing: %s.\n", str_error(rc));
 		exit(1);
 	}
@@ -276,5 +277,5 @@
 	int rc = draw();
 	if (rc != EOK) {
-		printf("Failed drawing: %d.\n", rc);
+		printf("Failed drawing: %s.\n", str_error(rc));
 		return 2;
 	}