diff --git a/params/config.go b/params/config.go
index ea00979850..6188a698f4 100644
--- a/params/config.go
+++ b/params/config.go
@@ -912,9 +912,9 @@ func (c *ChainConfig) CheckConfigForkOrder() error {
 		{name: "arrowGlacierBlock", block: c.ArrowGlacierBlock, optional: true},
 		{name: "grayGlacierBlock", block: c.GrayGlacierBlock, optional: true},
 		{name: "mergeNetsplitBlock", block: c.MergeNetsplitBlock, optional: true},
-		{name: "ShanghaiBlock", block: c.ShanghaiBlock},
-		{name: "CancunBlock", block: c.CancunBlock, optional: true},
-		{name: "pragueTime", block: c.PragueBlock, optional: true},
+		{name: "shanghaiBlock", block: c.ShanghaiBlock},
+		{name: "cancunBlock", block: c.CancunBlock, optional: true},
+		{name: "pragueBlock", block: c.PragueBlock, optional: true},
 	} {
 		if lastFork.name != "" {
 			switch {