diff --git a/src/util/platform/FFPlatform.c b/src/util/platform/FFPlatform.c
index 25e03650af..7db6abb229 100644
--- a/src/util/platform/FFPlatform.c
+++ b/src/util/platform/FFPlatform.c
@@ -49,6 +49,7 @@ void ffPlatformDestroy(FFPlatform* platform)
     ffStrbufDestroy(&platform->userName);
     ffStrbufDestroy(&platform->hostName);
     ffStrbufDestroy(&platform->userShell);
+    ffStrbufDestroy(&platform->fullUserName);
 
     FFPlatformSysinfo* info = &platform->sysinfo;
     ffStrbufDestroy(&info->architecture);