diff --git a/ase/awk/sources b/ase/awk/sources
index c0abec19..4d8a5212 100644
--- a/ase/awk/sources
+++ b/ase/awk/sources
@@ -4,5 +4,5 @@ TARGETTYPE=DRIVER_LIBRARY
 
 SOURCES=awk.c err.c tree.c tab.c map.c parse.c run.c sa.c val.c func.c misc.c extio.c rex.c
 
-C_DEFINES=-DXP_AWK_STAND_ALONE  -DXP_AWK_NTDDK
+C_DEFINES=-D_UNICODE -DXP_AWK_STAND_ALONE  -DXP_AWK_NTDDK
 INCLUDES=..\..