diff --git a/src/corelib/io/qprocess_unix.cpp b/src/corelib/io/qprocess_unix.cpp
index 6bf1b9b1a0..abfdfc8c82 100644
--- a/src/corelib/io/qprocess_unix.cpp
+++ b/src/corelib/io/qprocess_unix.cpp
@@ -669,7 +669,7 @@ failChildProcess(const QProcessPrivate *d, const char *description, int code) no
 {
     ChildError error = {};
     error.code = code;
-    strncpy(error.function, description, sizeof(error.function));
+    qstrncpy(error.function, description, sizeof(error.function));
     qt_safe_write(d->childStartedPipe[1], &error, sizeof(error));
     _exit(-1);
 }