diff --git a/hdl/mixed/blink/Makefile b/hdl/mixed/blink/Makefile
index 157b8397..b73a77c3 100644
--- a/hdl/mixed/blink/Makefile
+++ b/hdl/mixed/blink/Makefile
@@ -18,6 +18,9 @@ YOSYS      ?= yosys
 NEXTPNR    ?= nextpnr-ice40
 ICEPACK    ?= icepack
 
+SHELL = /bin/bash
+.SHELLFLAGS = -o pipefail -c
+
 QUIET = @
 
 # If ghdl-yosys-plugin is built as a module (not the case with fomu-toolchain)
diff --git a/hdl/verilog/blink-expanded/Makefile b/hdl/verilog/blink-expanded/Makefile
index 4021d445..3c8e0892 100644
--- a/hdl/verilog/blink-expanded/Makefile
+++ b/hdl/verilog/blink-expanded/Makefile
@@ -9,6 +9,9 @@ YOSYS     ?= yosys
 NEXTPNR   ?= nextpnr-ice40
 ICEPACK   ?= icepack
 
+SHELL = /bin/bash
+.SHELLFLAGS = -o pipefail -c
+
 QUIET = @
 
 # If a container engine is used, each tool is executed in a separated container
diff --git a/hdl/verilog/blink/Makefile b/hdl/verilog/blink/Makefile
index f8de96aa..8d91b18b 100644
--- a/hdl/verilog/blink/Makefile
+++ b/hdl/verilog/blink/Makefile
@@ -9,6 +9,9 @@ YOSYS     ?= yosys
 NEXTPNR   ?= nextpnr-ice40
 ICEPACK   ?= icepack
 
+SHELL = /bin/bash
+.SHELLFLAGS = -o pipefail -c
+
 QUIET = @
 
 # If a container engine is used, each tool is executed in a separated container
diff --git a/hdl/vhdl/blink/Makefile b/hdl/vhdl/blink/Makefile
index a88c8421..371b637a 100644
--- a/hdl/vhdl/blink/Makefile
+++ b/hdl/vhdl/blink/Makefile
@@ -12,6 +12,9 @@ YOSYS      ?= yosys
 NEXTPNR    ?= nextpnr-ice40
 ICEPACK    ?= icepack
 
+SHELL = /bin/bash
+.SHELLFLAGS = -o pipefail -c
+
 QUIET = @
 
 # If ghdl-yosys-plugin is built as a module (not the case with fomu-toolchain)
@@ -39,6 +42,7 @@ $(DESIGN).json: $(VHDL_SYN_FILES)
 		synth_ice40 \
 		-top $(TOP) \
 		-json $@" 2>&1 | tee yosys-report.txt
+	echo foo
 
 include ../../PnR_Prog.mk