diff --git a/fish/test-add-domain.sh b/fish/test-add-domain.sh
index 859370881..749f3bcd6 100755
--- a/fish/test-add-domain.sh
+++ b/fish/test-add-domain.sh
@@ -24,7 +24,10 @@ rm -f test1.img test2.img test3.img test4.img test.xml test.out
 
 cwd="$(pwd)"
 
-truncate -s 1M test1.img test2.img test3.img test4.img
+./guestfish sparse test1.img 1M
+./guestfish sparse test2.img 1M
+./guestfish sparse test3.img 1M
+./guestfish sparse test4.img 1M
 
 # Libvirt test XML, see libvirt.git/examples/xml/test/testnode.xml
 cat > test.xml <<EOF
diff --git a/fish/test-d.sh b/fish/test-d.sh
index 6475ad83e..104b8f3b5 100755
--- a/fish/test-d.sh
+++ b/fish/test-d.sh
@@ -24,7 +24,10 @@ rm -f test1.img test2.img test3.img test4.img test.xml test.out
 
 cwd="$(pwd)"
 
-truncate -s 1M test1.img test2.img test3.img test4.img
+./guestfish sparse test1.img 1M
+./guestfish sparse test2.img 1M
+./guestfish sparse test3.img 1M
+./guestfish sparse test4.img 1M
 
 # Libvirt test XML, see libvirt.git/examples/xml/test/testnode.xml
 cat > test.xml <<EOF
diff --git a/tests/qemu/qemu-liveness.sh b/tests/qemu/qemu-liveness.sh
index 945b2a296..d95321c7e 100755
--- a/tests/qemu/qemu-liveness.sh
+++ b/tests/qemu/qemu-liveness.sh
@@ -24,7 +24,7 @@ set -e
 
 rm -f test1.img
 
-truncate -s 100M test1.img
+../../fish/guestfish sparse test1.img 100M
 test1_md5sum="$(md5sum test1.img | awk '{print $1}')"
 
 ../../fish/guestfish <<'EOF'
diff --git a/tests/qemu/qemu-snapshot-isolation.sh b/tests/qemu/qemu-snapshot-isolation.sh
index 70b68392d..17e3bab4b 100755
--- a/tests/qemu/qemu-snapshot-isolation.sh
+++ b/tests/qemu/qemu-snapshot-isolation.sh
@@ -24,9 +24,9 @@ set -e
 
 rm -f test1.img test2.img test3.img
 
-truncate -s 100M test1.img
+../../fish/guestfish sparse test1.img 100M
 test1_md5sum="$(md5sum test1.img | awk '{print $1}')"
-truncate -s 100M test2.img
+../../fish/guestfish sparse test2.img 100M
 test2_md5sum="$(md5sum test2.img | awk '{print $1}')"
 qemu-img create -f qcow2 test3.img 100M
 test3_md5sum="$(md5sum test3.img | awk '{print $1}')"
diff --git a/tests/regressions/rhbz690819.sh b/tests/regressions/rhbz690819.sh
index ff4430f9f..9d8e38ca5 100755
--- a/tests/regressions/rhbz690819.sh
+++ b/tests/regressions/rhbz690819.sh
@@ -37,7 +37,7 @@ export LANG=C
 
 rm -f test.img
 
-truncate -s 100M test.img
+../../fish/guestfish sparse test.img 100M
 
 ../../fish/guestfish <<EOF
 add-drive-with-if test.img ide
diff --git a/tests/regressions/rhbz811649.sh b/tests/regressions/rhbz811649.sh
index b8a101c05..cc0b8a1a1 100755
--- a/tests/regressions/rhbz811649.sh
+++ b/tests/regressions/rhbz811649.sh
@@ -36,7 +36,7 @@ filenames[5]='-hda'
 
 rm -f -- test1.img "${filenames[@]}"
 
-truncate -s 10M test1.img
+../../fish/guestfish sparse test1.img 10M
 
 for f in "${filenames[@]}"; do
     ln -- test1.img "$f"