2 files changed, 4 insertions, 2 deletions
diff --git a/klibc/klibc/strlcat.c b/klibc/klibc/strlcat.c
index f397857e76..fdd72ac392 100644
--- a/klibc/klibc/strlcat.c
+++ b/klibc/klibc/strlcat.c
@@ -26,7 +26,8 @@ size_t strlcat(char *dst, const char *src, size_t size)
     bytes++;
   }
 
-  *q = '\0';
+  if (size)
+    *q = '\0';
   return bytes;
 }
 
diff --git a/klibc/klibc/strlcpy.c b/klibc/klibc/strlcpy.c
index 8b36c43c00..9e7b6bf91f 100644
--- a/klibc/klibc/strlcpy.c
+++ b/klibc/klibc/strlcpy.c
@@ -19,7 +19,8 @@ size_t strlcpy(char *dst, const char *src, size_t size)
     bytes++;
   }
 
-  *q = '\0';
+  if (size)
+    *q = '\0';
   return bytes;
 }