diff --git a/docs/source/code_examples/synth_flow/Makefile b/docs/source/code_examples/synth_flow/Makefile
index cc5a34b26b5..7db1c12f490 100644
--- a/docs/source/code_examples/synth_flow/Makefile
+++ b/docs/source/code_examples/synth_flow/Makefile
@@ -1,13 +1,13 @@
 
-TARGETS += proc_01 proc_02 proc_03
-TARGETS += memory_01 memory_02
-TARGETS += techmap_01
+DOT_TARGETS += proc_01 proc_02 proc_03
+DOT_TARGETS += memory_01 memory_02
+DOT_TARGETS += techmap_01
 
 PROGRAM_PREFIX :=
 
 YOSYS ?= ../../../../$(PROGRAM_PREFIX)yosys
 
-DOTS = $(addsuffix .dot,$(TARGETS))
+DOTS = $(addsuffix .dot,$(DOT_TARGETS))
 
 .PHONY: all dots
 all: dots