diff --git a/MO4/Sniffs/Formatting/UnnecessaryNamespaceUsageSniff.php b/MO4/Sniffs/Formatting/UnnecessaryNamespaceUsageSniff.php
index 18b9d0f9..6b8df420 100644
--- a/MO4/Sniffs/Formatting/UnnecessaryNamespaceUsageSniff.php
+++ b/MO4/Sniffs/Formatting/UnnecessaryNamespaceUsageSniff.php
@@ -230,7 +230,12 @@ protected function getUseStatements(File $phpcsFile, int $start, int $end): arra
                 $end,
                 true
             );
-            $useEnd         = $phpcsFile->findNext(
+
+            if (0 === $classNameEnd) {
+                break;
+            }
+
+            $useEnd = $phpcsFile->findNext(
                 [
                     T_SEMICOLON,
                     T_COMMA,