diff --git a/App/tools/driver.makefile b/App/tools/driver.makefile
index 4fca51e..98d92b2 100644
--- a/App/tools/driver.makefile
+++ b/App/tools/driver.makefile
@@ -691,7 +691,7 @@ ifdef BASE_3_16
 # Suppress "'rset' is deprecated" warning for old drivers
 # but not on record types where it would cause an error
 ifndef USING_NEW_RSET
-SUPPRESS_RSET_WARNING = -DUSE_TYPED_RSET
+SUPPRESS_RSET_WARNING = -DUSE_TYPED_RSET=
 USR_CPPFLAGS += ${SUPPRESS_RSET_WARNING}
 REC_SUPPRESS_RSET_WARNING=-Wno-deprecated-declarations
 ifeq ($(OS_CLASS),WIN32)