diff --git a/tests/10_basic.sh b/tests/10_basic.sh
index 06aeb9c..08a5677 100644
--- a/tests/10_basic.sh
+++ b/tests/10_basic.sh
@@ -3,7 +3,9 @@ function setup() {
     test ! -z "$TEST_BUNDLE"
     mount_dir=$(mktemp -d)
     sparsebundlefs -s -f -D $TEST_BUNDLE $mount_dir &
+    pid=$!
     for i in {0..50}; do
+        kill -0 $pid >/dev/null 2>&1
         # FIXME: Find actual mount callback in fuse?
         grep -q "bundle has" $test_output_file && break || sleep 0.1
     done
diff --git a/tests/20_allow_other.sh b/tests/20_allow_other.sh
index f8a8293..451f37d 100644
--- a/tests/20_allow_other.sh
+++ b/tests/20_allow_other.sh
@@ -3,7 +3,9 @@ function setup() {
     test ! -z "$TEST_BUNDLE"
     mount_dir=$(mktemp -d)
     sparsebundlefs -s -f -D -o allow_other $TEST_BUNDLE $mount_dir &
+    pid=$!
     for i in {0..50}; do
+        kill -0 $pid >/dev/null 2>&1
         # FIXME: Find actual mount callback in fuse?
         grep -q "bundle has" $test_output_file && break || sleep 0.1
     done