diff --git a/core/file.c b/core/file.c
index cf37f621..76c8e3d0 100644
--- a/core/file.c
+++ b/core/file.c
@@ -7,8 +7,9 @@
 #include <errno.h>
 #include <unistd.h>
 
-#define REPORT_ERROR(fname) \
-	printf("%s (%s:%d): %s: %s\n", __func__, __FILE__, __LINE__, fname, strerror(errno))
+#define REPORT_ERROR(fname, error) \
+	g_printerr("%s (%s:%d): %s: %s\n", __func__, __FILE__, __LINE__, fname, error)
+#define REPORT_ERRNO(fname) REPORT_ERROR(fname, strerror(errno))
 
 static gchar *__file_path(const gchar *name)
 {
@@ -20,7 +21,7 @@ static FILE *__file_open(gchar *path, const gchar *mode)
 	FILE *ret = g_fopen(path, mode);
 
 	if (!ret)
-		REPORT_ERROR(path);
+		REPORT_ERRNO(path);
 	g_free(path);
 	return ret;
 }
@@ -31,7 +32,7 @@ static bool __file_mkdir()
 	int    ret = g_mkdir_with_parents(dir, 0755);
 
 	if (ret != 0)
-		REPORT_ERROR(dir);
+		REPORT_ERRNO(dir);
 	g_free(dir);
 	return ret == 0;
 }
@@ -187,6 +188,6 @@ int file_writef(struct file *file, const char *fmt, ...)
 	va_end(argp);
 
 	if (ret < 0)
-		REPORT_ERROR(file->f_name);
+		REPORT_ERRNO(file->f_name);
 	return ret;
 }