diff --git a/demos/second/part08_gorilla/Makefile b/demos/second/part08_gorilla/Makefile
index a17a734f..70ee42f9 100644
--- a/demos/second/part08_gorilla/Makefile
+++ b/demos/second/part08_gorilla/Makefile
@@ -23,7 +23,7 @@ gorilla.o:	gorilla.s \
 
 ###
 
-graphics/final3.hgr.zx02:	
+graphics/mntscrl3.hgr.zx02:	
 	cd graphics && make
 
 ###
diff --git a/demos/second/part10_lens_rotozoom/Makefile b/demos/second/part10_lens_rotozoom/Makefile
index f2b917af..76948beb 100644
--- a/demos/second/part10_lens_rotozoom/Makefile
+++ b/demos/second/part10_lens_rotozoom/Makefile
@@ -14,12 +14,18 @@ LENS:	lens.o
 
 lens.o:	lens.s ../zx02_optim.s \
 	roto.s rotozoom.s \
+	graphics/lenspic.gr.zx02 \
 	../zp.inc ../hardware.inc
 	ca65 -o lens.o lens.s -l lens.lst
 
 ###
 
 
+graphics/lenspic.gr.zx02:	
+	cd graphics && make
+
+####
+
 clean:
 	rm -f *~ *.o *.lst LENS
 	cd graphics && make clean
diff --git a/demos/second/part15_transmission/Makefile b/demos/second/part15_transmission/Makefile
index 03f45365..c5d00e61 100644
--- a/demos/second/part15_transmission/Makefile
+++ b/demos/second/part15_transmission/Makefile
@@ -23,7 +23,7 @@ spheres.o:	spheres.s \
 
 ###
 
-graphics/fc_iipix.hgr.zx02:	
+graphics/spheres.hgr.zx02:	
 	cd graphics && make
 
 ###
diff --git a/demos/second/part17_polar/Makefile b/demos/second/part17_polar/Makefile
index 0fb7556b..907bba02 100644
--- a/demos/second/part17_polar/Makefile
+++ b/demos/second/part17_polar/Makefile
@@ -23,7 +23,7 @@ polar.o:	polar.s \
 
 ###
 
-graphics/fc_iipix.hgr.zx02:	
+graphics/polar2.hgr.zx02:	
 	cd graphics && make
 
 ###