diff --git a/Makefile b/Makefile
index dc95869d4f..a50e868b45 100644
--- a/Makefile
+++ b/Makefile
@@ -193,7 +193,7 @@ vnc.h: vnc-tls.h vnc-auth-vencrypt.h vnc-auth-sasl.h keymaps.h
 
 vnc.o: vnc.c vnc.h vnc_keysym.h vnchextile.h d3des.c d3des.h acl.h
 
-vnc.o: CFLAGS += $(CONFIG_VNC_TLS_CFLAGS)
+vnc.o: CFLAGS += $(VNC_TLS_CFLAGS)
 
 vnc-tls.o: vnc-tls.c vnc.h
 
diff --git a/Makefile.target b/Makefile.target
index f9cd42a94f..0b2d88515c 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -456,8 +456,8 @@ adlib.o fmopl.o: CFLAGS := ${CFLAGS} -DBUILD_Y8950=0
 endif
 
 ifdef CONFIG_VNC_TLS
-CPPFLAGS += $(CONFIG_VNC_TLS_CFLAGS)
-LIBS += $(CONFIG_VNC_TLS_LIBS)
+CPPFLAGS += $(VNC_TLS_CFLAGS)
+LIBS += $(VNC_TLS_LIBS)
 endif
 
 ifdef CONFIG_VNC_SASL
diff --git a/configure b/configure
index 0145d53c75..736ccdd901 100755
--- a/configure
+++ b/configure
@@ -1649,8 +1649,8 @@ if test "$mixemu" = "yes" ; then
 fi
 if test "$vnc_tls" = "yes" ; then
   echo "CONFIG_VNC_TLS=y" >> $config_host_mak
-  echo "CONFIG_VNC_TLS_CFLAGS=$vnc_tls_cflags" >> $config_host_mak
-  echo "CONFIG_VNC_TLS_LIBS=$vnc_tls_libs" >> $config_host_mak
+  echo "VNC_TLS_CFLAGS=$vnc_tls_cflags" >> $config_host_mak
+  echo "VNC_TLS_LIBS=$vnc_tls_libs" >> $config_host_mak
   echo "#define CONFIG_VNC_TLS 1" >> $config_host_h
 fi
 if test "$vnc_sasl" = "yes" ; then