diff --git a/tests/arch/xilinx/tribuf.sh b/tests/arch/xilinx/tribuf.sh
index bd44395cb..eca33e490 100644
--- a/tests/arch/xilinx/tribuf.sh
+++ b/tests/arch/xilinx/tribuf.sh
@@ -1,5 +1,5 @@
-! ../../../yosys -qp "synth_xilinx" ../common/tribuf.v
-../../../yosys -qp "synth_xilinx -iopad; \
+../../../yosys -f verilog -qp "synth_xilinx" ../common/tribuf.v
+../../../yosys -f verilog -qp "synth_xilinx -iopad; \
 select -assert-count 2 t:IBUF; \
 select -assert-count 1 t:INV; \
 select -assert-count 1 t:OBUFT" ../common/tribuf.v
diff --git a/tests/bram/run-single.sh b/tests/bram/run-single.sh
index 98a45b613..429a79e3c 100644
--- a/tests/bram/run-single.sh
+++ b/tests/bram/run-single.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 set -e
-../../yosys -qq -p "proc; opt; memory -nomap -bram temp/brams_${2}.txt; opt -fast -full" \
+../../yosys -qq -f verilog -p "proc; opt; memory -nomap -bram temp/brams_${2}.txt; opt -fast -full" \
 		-l temp/synth_${1}_${2}.log -o temp/synth_${1}_${2}.v temp/brams_${1}.v
 iverilog -Dvcd_file=\"temp/tb_${1}_${2}.vcd\" -DSIMLIB_MEMDELAY=1 -o temp/tb_${1}_${2}.tb temp/brams_${1}_tb.v \
 		temp/brams_${1}_ref.v temp/synth_${1}_${2}.v temp/brams_${2}.v ../../techlibs/common/simlib.v
diff --git a/tests/memories/run-test.sh b/tests/memories/run-test.sh
index b8657056a..c65066a9c 100755
--- a/tests/memories/run-test.sh
+++ b/tests/memories/run-test.sh
@@ -18,7 +18,7 @@ ${MAKE:-make} -f ../tools/autotest.mk SEED="$seed" EXTRA_FLAGS="$abcopt" *.v
 
 for f in `egrep -l 'expect-(wr-ports|rd-ports|rd-clk)' *.v`; do
 	echo -n "Testing expectations for $f .."
-	../../yosys -qp "proc; opt; memory -nomap;; dump -outfile ${f%.v}.dmp t:\$mem_v2" $f
+	../../yosys -f verilog -qp "proc; opt; memory -nomap;; dump -outfile ${f%.v}.dmp t:\$mem_v2" $f
 	if grep -q expect-wr-ports $f; then
 		grep -q "parameter \\\\WR_PORTS $(gawk '/expect-wr-ports/ { print $3; }' $f)\$" ${f%.v}.dmp ||
 				{ echo " ERROR: Unexpected number of write ports."; false; }
diff --git a/tests/techmap/mem_simple_4x1_runtest.sh b/tests/techmap/mem_simple_4x1_runtest.sh
index 9c41fa56a..b486de5c7 100644
--- a/tests/techmap/mem_simple_4x1_runtest.sh
+++ b/tests/techmap/mem_simple_4x1_runtest.sh
@@ -2,7 +2,7 @@
 
 set -e
 
-../../yosys -b 'verilog -noattr' -o mem_simple_4x1_synth.v -p 'proc; opt; memory -nomap; techmap -map mem_simple_4x1_map.v;; techmap; opt; abc;; stat' mem_simple_4x1_uut.v
+../../yosys -b 'verilog -noattr' -o mem_simple_4x1_synth.v -p 'read_verilog mem_simple_4x1_uut.v; proc; opt; memory -nomap; techmap -map mem_simple_4x1_map.v;; techmap; opt; abc;; stat'
 
 iverilog -o mem_simple_4x1_gold_tb mem_simple_4x1_tb.v mem_simple_4x1_uut.v
 iverilog -o mem_simple_4x1_gate_tb mem_simple_4x1_tb.v mem_simple_4x1_synth.v mem_simple_4x1_cells.v
diff --git a/tests/techmap/recursive_runtest.sh b/tests/techmap/recursive_runtest.sh
index 0725ccf40..564d678fa 100644
--- a/tests/techmap/recursive_runtest.sh
+++ b/tests/techmap/recursive_runtest.sh
@@ -1,3 +1,3 @@
 set -e
 
-../../yosys -p 'hierarchy -top top; techmap -map recursive_map.v -max_iter 1; select -assert-count 2 t:sub; select -assert-count 2 t:bar' recursive.v
+../../yosys -p 'read_verilog recursive.v; hierarchy -top top; techmap -map recursive_map.v -max_iter 1; select -assert-count 2 t:sub; select -assert-count 2 t:bar'
diff --git a/tests/various/async.sh b/tests/various/async.sh
index 7c41d6d94..e83935d02 100644
--- a/tests/various/async.sh
+++ b/tests/various/async.sh
@@ -1,9 +1,9 @@
 #!/bin/bash
 set -ex
-../../yosys -q -o async_syn.v -p 'synth; rename uut syn' async.v
-../../yosys -q -o async_prp.v -p 'prep; rename uut prp' async.v
-../../yosys -q -o async_a2s.v -p 'prep; async2sync; rename uut a2s' async.v
-../../yosys -q -o async_ffl.v -p 'prep; clk2fflogic; rename uut ffl' async.v
+../../yosys -q -o async_syn.v -r uut -p 'synth; rename uut syn' async.v
+../../yosys -q -o async_prp.v -r uut -p 'prep; rename uut prp' async.v
+../../yosys -q -o async_a2s.v -r uut -p 'prep; async2sync; rename uut a2s' async.v
+../../yosys -q -o async_ffl.v -r uut -p 'prep; clk2fflogic; rename uut ffl' async.v
 iverilog -o async_sim -DTESTBENCH async.v async_???.v
 vvp -N async_sim > async.out
 tail async.out