diff --git a/dvm.sh b/dvm.sh
index 18807a2..34cfa5d 100755
--- a/dvm.sh
+++ b/dvm.sh
@@ -1110,6 +1110,7 @@ export DVM_VERSION="v0.8.3"
     fi
     version_prefix="$version_prefix\."
 
+    dvm_debug "searching version prefix: $version_prefix"
 
     if ! dvm_get_remote_versions
     then
@@ -1117,7 +1118,7 @@ export DVM_VERSION="v0.8.3"
       return
     fi
 
-    tmp_versions=$(echo "$DVM_REMOTE_VERSIONS" | grep "$version_prefix" | tail -n 1)
+    tmp_versions=$(echo "$DVM_REMOTE_VERSIONS" | grep -E "$version_prefix" | tail -n 1)
     if [ -z "$tmp_versions" ]
     then
       dvm_print_error "no version found by $search_text"