diff --git a/internal/lsp/cache/view.go b/internal/lsp/cache/view.go
index ba6b81cbc1..e63f9a2501 100644
--- a/internal/lsp/cache/view.go
+++ b/internal/lsp/cache/view.go
@@ -407,7 +407,7 @@ func (v *View) RunProcessEnvFunc(ctx context.Context, fn func(*imports.Options)
 			}
 			v.cleanupProcessEnv()
 		}
-		v.cachedModFileIdentifier = modFH.Identity().Identifier
+		v.cachedModFileIdentifier = modFileIdentifier
 		v.cachedBuildFlags = currentBuildFlags
 		v.cleanupProcessEnv, err = v.populateProcessEnv(ctx, modFH, sumFH)
 		if err != nil {