1 files changed, 2 insertions, 2 deletions
diff --git a/toolkit/components/ctypes/tests/jsctypes-test-finalizer.cpp b/toolkit/components/ctypes/tests/jsctypes-test-finalizer.cpp
index 79e21cc89..009ba917a 100644
--- a/toolkit/components/ctypes/tests/jsctypes-test-finalizer.cpp
+++ b/toolkit/components/ctypes/tests/jsctypes-test-finalizer.cpp
@@ -232,8 +232,8 @@ test_finalizer_acq_string_t(int i)
 {
   gFinalizerTestResources[i] = 1;
   if (!gFinalizerTestNames[i]) {
-    char* buf = new char[10];
-    snprintf(buf, 10, "%d", i);
+    char* buf = new char[12];
+    snprintf(buf, 12, "%d", i);
     gFinalizerTestNames[i] = buf;
     return buf;
   }