diff --git a/src/Psalm/Internal/Analyzer/Statements/Expression/Fetch/VariableFetchAnalyzer.php b/src/Psalm/Internal/Analyzer/Statements/Expression/Fetch/VariableFetchAnalyzer.php
index d268f0219..2d7f5bca7 100644
--- a/src/Psalm/Internal/Analyzer/Statements/Expression/Fetch/VariableFetchAnalyzer.php
+++ b/src/Psalm/Internal/Analyzer/Statements/Expression/Fetch/VariableFetchAnalyzer.php
@@ -760,7 +760,7 @@ class VariableFetchAnalyzer
                 ]),
             ];
 
-            if ($codebase_analysis_php_version_id >= 81000) {
+            if ($codebase_analysis_php_version_id >= 80100) {
                 $values['full_path'] = new Union([
                     new TString(),
                     new TNonEmptyList(Type::getString()),