diff --git a/mozilla/modules/plugin/base/src/Makefile.in b/mozilla/modules/plugin/base/src/Makefile.in
index 8362fd3f38b..26fa2f179b8 100644
--- a/mozilla/modules/plugin/base/src/Makefile.in
+++ b/mozilla/modules/plugin/base/src/Makefile.in
@@ -48,7 +48,7 @@ CPPSRCS =                              \
 
 REQUIRES = raptor plugin java xpcom netlib libplc21 oji
 
-LCFLAGS =-D_IMPL_NS_PLUGIN
+CFLAGS += -D_IMPL_NS_PLUGIN
 
 TARGETS = $(LIBRARY)
 
diff --git a/mozilla/modules/plugin/nglsrc/Makefile.in b/mozilla/modules/plugin/nglsrc/Makefile.in
index 8362fd3f38b..26fa2f179b8 100644
--- a/mozilla/modules/plugin/nglsrc/Makefile.in
+++ b/mozilla/modules/plugin/nglsrc/Makefile.in
@@ -48,7 +48,7 @@ CPPSRCS =                              \
 
 REQUIRES = raptor plugin java xpcom netlib libplc21 oji
 
-LCFLAGS =-D_IMPL_NS_PLUGIN
+CFLAGS += -D_IMPL_NS_PLUGIN
 
 TARGETS = $(LIBRARY)