diff --git a/libstdc++-v3/libsupc++/eh_alloc.cc b/libstdc++-v3/libsupc++/eh_alloc.cc
index 005c28dbb11..36e3d8c3bb2 100644
--- a/libstdc++-v3/libsupc++/eh_alloc.cc
+++ b/libstdc++-v3/libsupc++/eh_alloc.cc
@@ -73,6 +73,13 @@ using namespace __cxxabiv1;
 # define EMERGENCY_OBJ_COUNT	4
 #endif
 
+// ESP8266 has tiny RAM
+#undef EMERGENCY_OBJ_COUNT
+#undef EMERGENCY_OBJ_SIZE
+#define EMERGENCY_OBJ_SIZE     48
+#define EMERGENCY_OBJ_COUNT    4
+
+
 namespace __gnu_cxx
 {
   void __freeres();