diff --git a/config.mk b/config.mk
index ffcd3cb..969fedc 100644
--- a/config.mk
+++ b/config.mk
@@ -27,8 +27,8 @@ PKG_CONFIG = pkg-config
 #LIGATURES_LIBS = `$(PKG_CONFIG) --libs harfbuzz`
 
 # Uncomment this for the SIXEL patch / SIXEL_PATCH
-#SIXEL_C = sixel.c sixel_hls.c
-#SIXEL_LIBS = `$(PKG_CONFIG) --libs imlib2`
+SIXEL_C = sixel.c sixel_hls.c
+SIXEL_LIBS = `$(PKG_CONFIG) --libs imlib2`
 
 # Uncomment for the netwmicon patch / NETWMICON_PATCH
 #NETWMICON_LIBS = `$(PKG_CONFIG) --libs gdlib`
@@ -57,4 +57,4 @@ STLDFLAGS = $(LIBS) $(LDFLAGS)
 #MANPREFIX = ${PREFIX}/man
 
 # compiler and linker
-# CC = c99
+CC = clang