diff --git a/contrib/semver/version.sh b/contrib/semver/version.sh
index c677e96b..d2ec6ce1 100644
--- a/contrib/semver/version.sh
+++ b/contrib/semver/version.sh
@@ -1,8 +1,11 @@
 #!/bin/sh
 
-if [[ $* == *--bare* ]]; then
+case "$*" in
+  *--bare*)
     # Remove the "v" prefix
     git describe --tags --match="v[0-9]*\.[0-9]*\.[0-9]*" | cut -c 2-
-else
+    ;;
+  *)
     git describe --tags --match="v[0-9]*\.[0-9]*\.[0-9]*"
-fi
+    ;;
+esac