diff --git a/test/units/testsuite-62.sh b/test/units/testsuite-62.sh
index 2569aaac33..2f3b18bec3 100755
--- a/test/units/testsuite-62.sh
+++ b/test/units/testsuite-62.sh
@@ -36,7 +36,7 @@ teardown() {
 
 KERNEL_VERSION="$(uname -r)"
 KERNEL_MAJOR="${KERNEL_VERSION%%.*}"
-KERNEL_MINOR="${KERNEL_VERSION#$KERNEL_MAJOR.}"
+KERNEL_MINOR="${KERNEL_VERSION#"$KERNEL_MAJOR".}"
 KERNEL_MINOR="${KERNEL_MINOR%%.*}"
 
 MAJOR_REQUIRED=5