diff --git a/Process.h b/Process.h
index 62a9313..4ddbdb9 100644
--- a/Process.h
+++ b/Process.h
@@ -28,7 +28,7 @@
     static int checkFileMaps(int pid, const char *path, char *openFilename, size_t max);
     static int checkFileDescriptorSymLinks(int pid, const char *mountPoint);
     static int checkFileDescriptorSymLinks(int pid, const char *mountPoint, char *openFilename, size_t max);
-    static void getProcessName(int pid, char *buffer, size_t max);
+    static void getProcessName(int pid, std::string& out_name);
 private:
     static int readSymLink(const char *path, char *link, size_t max);
     static int pathMatchesMountPoint(const char *path, const char *mountPoint);