diff --git a/src/common/variant.cpp b/src/common/variant.cpp
index 6004fee34e..86602e25d3 100644
--- a/src/common/variant.cpp
+++ b/src/common/variant.cpp
@@ -29,6 +29,7 @@
 #endif
 
 #if defined(__MWERKS__) && __MSL__ >= 0x6000
+namespace std {}
 using namespace std ;
 #endif
 
diff --git a/src/common/wxchar.cpp b/src/common/wxchar.cpp
index f4739262b5..9db633db07 100644
--- a/src/common/wxchar.cpp
+++ b/src/common/wxchar.cpp
@@ -53,6 +53,7 @@
 #endif
 
 #if defined(__MWERKS__) && __MSL__ >= 0x6000
+namespace std {}
 using namespace std ;
 #endif