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-rw-r--r--src/console.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/console.cpp b/src/console.cpp
index 67b6ffe47..d486e780c 100644
--- a/src/console.cpp
+++ b/src/console.cpp
@@ -50,7 +50,7 @@ static void IConsoleWriteToLogFile(const char *string)
if (_iconsole_output_file != NULL) {
/* if there is an console output file ... also print it there */
const char *header = GetLogPrefix();
- if (fwrite(header, strlen(header), 1, _iconsole_output_file) != 1 ||
+ if ((strlen(header) != 0 && fwrite(header, strlen(header), 1, _iconsole_output_file) != 1) ||
fwrite(string, strlen(string), 1, _iconsole_output_file) != 1 ||
fwrite("\n", 1, 1, _iconsole_output_file) != 1) {
fclose(_iconsole_output_file);