diff --git a/imake/imakemdep.h b/imake/imakemdep.h
index 1de1e7b..12200d6 100644
--- a/imake/imakemdep.h
+++ b/imake/imakemdep.h
@@ -229,7 +229,7 @@ in this Software without prior written authorization from The Open Group.
  *     all colons).  One way to tell if you need this is to see whether or not
  *     your Makefiles have no tabs in them and lots of @@ strings.
  */
-#  if defined(sun) || defined(SYSV) || defined(SVR4) || defined(hcx) || defined(WIN32) || defined(__SCO__) || (defined(AMOEBA) && defined(CROSS_COMPILE)) || defined(__QNX__) || defined(__sgi) || defined(__UNIXWARE__)
+#  if defined(sun) || defined(SYSV) || defined(SVR4) || defined(hcx) || defined(WIN32) || defined(__SCO__) || (defined(AMOEBA) && defined(CROSS_COMPILE)) || defined(__QNX__) || defined(__sgi) || defined(__UNIXWARE__) || defined(__LCC__)
 #   define FIXUP_CPP_WHITESPACE
 #  endif
 #  ifdef WIN32