diff --git a/graphics/togl/files/patch-aa b/graphics/togl/files/patch-aa
index fd353ea083cd..50b0480a39a5 100644
--- a/graphics/togl/files/patch-aa
+++ b/graphics/togl/files/patch-aa
@@ -92,7 +92,7 @@
  
  
 -CFLAGS = $(COPTS) $(INCLUDES) $(TK_FLAGS)
-+CFLAGS += $(COPTS) $(INCLUDES) $(TK_FLAGS) ${PTHREAD_FLAGS}
++CFLAGS += $(COPTS) $(INCLUDES) $(TK_FLAGS) ${PTHREAD_CFLAGS}
  
 -LFLAGS = $(LIBDIRS)
 +LFLAGS = $(LIBDIRS) ${PTHREAD_LIBS}