diff --git a/internal/storage/sqlite/resurrection.go b/internal/storage/sqlite/resurrection.go
index 39b0cf21..1a4a2f11 100644
--- a/internal/storage/sqlite/resurrection.go
+++ b/internal/storage/sqlite/resurrection.go
@@ -224,17 +224,24 @@ func (s *SQLiteStorage) tryResurrectParentChainWithConn(ctx context.Context, con
 
 // extractParentChain returns all parent IDs in a hierarchical chain, ordered from root to leaf.
 // Example: "bd-abc.1.2" → ["bd-abc", "bd-abc.1"]
+// Example: "test.example-abc.1" → ["test.example-abc"] (prefix with dot is preserved)
+//
+// This function uses IsHierarchicalID to correctly handle prefixes containing dots (GH#664).
+// It only splits on dots followed by numeric suffixes (the hierarchy delimiter).
 func extractParentChain(id string) []string {
-	parts := strings.Split(id, ".")
-	if len(parts) <= 1 {
-		return nil // No parents (top-level ID)
+	var parents []string
+	current := id
+
+	// Walk up the hierarchy by repeatedly finding the parent
+	for {
+		isHierarchical, parentID := IsHierarchicalID(current)
+		if !isHierarchical {
+			break // No more parents
+		}
+		// Prepend to build root-to-leaf order
+		parents = append([]string{parentID}, parents...)
+		current = parentID
 	}
-	
-	parents := make([]string, 0, len(parts)-1)
-	for i := 1; i < len(parts); i++ {
-		parent := strings.Join(parts[:i], ".")
-		parents = append(parents, parent)
-	}
-	
+
 	return parents
 }
diff --git a/internal/storage/sqlite/resurrection_test.go b/internal/storage/sqlite/resurrection_test.go
index 49423420..aa7b5dcd 100644
--- a/internal/storage/sqlite/resurrection_test.go
+++ b/internal/storage/sqlite/resurrection_test.go
@@ -446,6 +446,27 @@ func TestExtractParentChain(t *testing.T) {
 			id:       "test-abc.1.2.3",
 			expected: []string{"test-abc", "test-abc.1", "test-abc.1.2"},
 		},
+		// GH#664: Prefixes with dots should be handled correctly
+		{
+			name:     "prefix with dot - top-level",
+			id:       "test.example-abc",
+			expected: nil, // No numeric suffix, not hierarchical
+		},
+		{
+			name:     "prefix with dot - one level deep",
+			id:       "test.example-abc.1",
+			expected: []string{"test.example-abc"},
+		},
+		{
+			name:     "prefix with dot - two levels deep",
+			id:       "test.example-abc.1.2",
+			expected: []string{"test.example-abc", "test.example-abc.1"},
+		},
+		{
+			name:     "prefix with multiple dots - one level deep",
+			id:       "my.company.project-xyz.1",
+			expected: []string{"my.company.project-xyz"},
+		},
 	}
 
 	for _, tt := range tests {