diff --git a/tfexec/internal/e2etest/cmp.go b/tfexec/internal/e2etest/cmp.go
index 53bc4543..b079f6e3 100644
--- a/tfexec/internal/e2etest/cmp.go
+++ b/tfexec/internal/e2etest/cmp.go
@@ -12,7 +12,7 @@ import (
 // diffState returns a human-readable report of the differences between two
 // state values. It returns an empty string if the two values are equal.
 func diffState(expected *tfjson.State, actual *tfjson.State) string {
-	return cmp.Diff(expected, actual, cmpopts.IgnoreFields(tfjson.State{}, "TerraformVersion"))
+	return cmp.Diff(expected, actual, cmpopts.IgnoreFields(tfjson.State{}, "TerraformVersion"), cmpopts.IgnoreFields(tfjson.State{}, "useJSONNumber"))
 }
 
 // diffPlan returns a human-readable report of the differences between two