diff --git a/lib/Makefile.b32 b/lib/Makefile.b32
index 0dacd8be0be06d6d362e2d64ad3ce26be9834992..04d3d298a101834452ab9232885b13f59e722029 100644
--- a/lib/Makefile.b32
+++ b/lib/Makefile.b32
@@ -55,6 +55,11 @@ INCDIRS  = -I.;..\include
 LINKLIB  = $(BCCDIR)\lib\cw32mt.lib
 DEFINES  = -DNDEBUG -DWIN32 -DBUILDING_LIBCURL
 
+# By default SSPI support is enabled for BCC
+!ifndef DISABLE_SSPI
+DEFINES  = $(DEFINES) -DUSE_WINDOWS_SSPI
+!endif
+
 # By default LDAP support is disabled for BCC
 !ifndef WITH_LDAP
 DEFINES  = $(DEFINES) -DCURL_DISABLE_LDAP