diff --git a/common/src/platform/linux/proctitle.c b/common/src/platform/linux/proctitle.c
index 9aa27869..3d45db38 100644
--- a/common/src/platform/linux/proctitle.c
+++ b/common/src/platform/linux/proctitle.c
@@ -124,7 +124,7 @@ void lgSetProcessTitle(const char * title)
     return;
 
   size_t effective = strlen(title);
-  if (effective > totalSize)
+  if (effective >= totalSize)
     effective = totalSize - 1;
 
   memcpy(buffer, title, effective);