diff --git a/tests/qemu-iotests/007 b/tests/qemu-iotests/007
index 6abd402423..7d3544b479 100755
--- a/tests/qemu-iotests/007
+++ b/tests/qemu-iotests/007
@@ -48,7 +48,7 @@ echo
 echo "creating image"
 _make_test_img 1M
 
-for i in `seq 1 10`; do
+for ((i=1;i<=10;i++)); do
     echo "savevm $i"
     $QEMU -nographic -hda "$TEST_IMG" -serial none -monitor stdio >/dev/null 2>&1 <<EOF
 savevm test-$i
diff --git a/tests/qemu-iotests/011 b/tests/qemu-iotests/011
index 8b1fce069a..56f704b5b9 100755
--- a/tests/qemu-iotests/011
+++ b/tests/qemu-iotests/011
@@ -49,7 +49,7 @@ _make_test_img $size
 
 echo
 echo "overlapping I/O"
-for i in `seq 1 10`; do
+for ((i=1;i<=10;i++)); do
     let mb=1024*1024
     let off1=$i*$mb
     let off2=$off1+512
diff --git a/tests/qemu-iotests/032 b/tests/qemu-iotests/032
index 23c216c549..988a8c5d8f 100755
--- a/tests/qemu-iotests/032
+++ b/tests/qemu-iotests/032
@@ -52,7 +52,7 @@ _make_test_img 64M
 
 # Allocate every other cluster so that afterwards a big write request will
 # actually loop a while and issue many I/O requests for the lower layer
-for i in $(seq 0 128 4096); do echo "write ${i}k 64k"; done | $QEMU_IO "$TEST_IMG" | _filter_qemu_io
+for ((i=0;i<=4096;i+=128)); do echo "write ${i}k 64k"; done | $QEMU_IO "$TEST_IMG" | _filter_qemu_io
 
 echo
 echo === AIO request during close ===
diff --git a/tests/qemu-iotests/035 b/tests/qemu-iotests/035
index ad6fa3115a..d950a0dd1e 100755
--- a/tests/qemu-iotests/035
+++ b/tests/qemu-iotests/035
@@ -49,7 +49,7 @@ echo "creating image"
 _make_test_img $size
 
 generate_requests() {
-    for i in $(seq 0 63); do
+    for ((i=0;i<=63;i++)); do
         echo "aio_write ${i}M 512"
         echo "aio_write ${i}M 512"
         echo "aio_write ${i}M 512"
diff --git a/tests/qemu-iotests/037 b/tests/qemu-iotests/037
index 819a2a52d2..4946b9be92 100755
--- a/tests/qemu-iotests/037
+++ b/tests/qemu-iotests/037
@@ -61,7 +61,7 @@ backing_io()
     local pattern=0
     local cur_sec=0
 
-    for i in $(seq 0 $((sectors - 1))); do
+    for ((i=0;i<=$((sectors - 1));i++)); do
         cur_sec=$((offset / 512 + i))
         pattern=$(( ( (cur_sec % 256) + (cur_sec / 256)) % 256 ))
 
diff --git a/tests/qemu-iotests/046 b/tests/qemu-iotests/046
index 543355c64f..4e03ead7b1 100755
--- a/tests/qemu-iotests/046
+++ b/tests/qemu-iotests/046
@@ -55,7 +55,7 @@ backing_io()
     local pattern=0
     local cur_sec=0
 
-    for i in $(seq 0 $((sectors - 1))); do
+    for ((i=0;i<=$((sectors - 1));i++)); do
         cur_sec=$((offset / 65536 + i))
         pattern=$(( ( (cur_sec % 128) + (cur_sec / 128)) % 128 ))
 
diff --git a/tests/qemu-iotests/common.pattern b/tests/qemu-iotests/common.pattern
index 25aa0d01c1..4f5e5bcea0 100644
--- a/tests/qemu-iotests/common.pattern
+++ b/tests/qemu-iotests/common.pattern
@@ -22,7 +22,7 @@ do_is_allocated() {
     local step=$3
     local count=$4
 
-    for i in `seq 1 $count`; do
+    for ((i=1;i<=$count;i++)); do
         echo alloc $(( start + (i - 1) * step )) $size
     done
 }
@@ -40,7 +40,7 @@ do_io() {
     local pattern=$6
 
     echo === IO: pattern $pattern >&2
-    for i in `seq 1 $count`; do
+    for ((i=1;i<=$count;i++)); do
         echo $op -P $pattern $(( start + (i - 1) * step )) $size
     done
 }