diff --git a/symbian/inc/xptypes.h b/symbian/inc/xptypes.h
index 3e2827753..c6d5bf99e 100644
--- a/symbian/inc/xptypes.h
+++ b/symbian/inc/xptypes.h
@@ -76,7 +76,7 @@ void sym_memset( void* dest, XP_UCHAR val, XP_U32 nBytes );
 XP_S16 sym_strcmp( XP_UCHAR* str1, XP_UCHAR* str2 );
 XP_U32 sym_strlen( XP_UCHAR* str );
 XP_S16 sym_strncmp( XP_UCHAR* str1, XP_UCHAR* str2, XP_U32 len );
-void sym_memcpy( void* dest, void* src, XP_U32 nbytes );
+void sym_memcpy( void* dest, const void* src, XP_U32 nbytes );
 XP_S16 sym_memcmp( void* m1, void* m2, XP_U32 nbytes );
 char* sym_strcat( XP_UCHAR* dest, const XP_UCHAR* src );
 
diff --git a/symbian/src/symutil.cpp b/symbian/src/symutil.cpp
index 495d0d043..111067327 100644
--- a/symbian/src/symutil.cpp
+++ b/symbian/src/symutil.cpp
@@ -148,7 +148,7 @@ sym_assert( XP_Bool b, XP_U32 line, const char* file )
 }
 
 void
-sym_memcpy( void* dest, void* src, XP_U32 nbytes )
+sym_memcpy( void* dest, const void* src, XP_U32 nbytes )
 {
     memcpy( dest, src, nbytes );
 }