diff --git a/src/modules/logger/log_writer_file.cpp b/src/modules/logger/log_writer_file.cpp
index 45a08429de..aeada55dc8 100644
--- a/src/modules/logger/log_writer_file.cpp
+++ b/src/modules/logger/log_writer_file.cpp
@@ -37,6 +37,7 @@
 #include <string.h>
 
 #include <mathlib/mathlib.h>
+#include <px4_posix.h>
 
 namespace px4
 {