diff --git a/parser_amd64.go b/parser_amd64.go
index faa7bca..7d92fe1 100644
--- a/parser_amd64.go
+++ b/parser_amd64.go
@@ -35,7 +35,7 @@ var (
 	symbolLine = regexp.MustCompile(`^\w+\s+<\w+>:$`)
 	dataLine   = regexp.MustCompile(`^\w+:\s+\w+\s+.+$`)
 
-	registers = []string{"DI", "SI", "DX", "CX"}
+	registers = []string{"DI", "SI", "DX", "CX", "R8", "R9", "R10", "R11"}
 )
 
 type Line struct {
diff --git a/parser_arm64.go b/parser_arm64.go
index d41f67d..ef50919 100644
--- a/parser_arm64.go
+++ b/parser_arm64.go
@@ -35,7 +35,7 @@ var (
 	symbolLine = regexp.MustCompile(`^\w+\s+<\w+>:$`)
 	dataLine   = regexp.MustCompile(`^\w+:\s+\w+\s+.+$`)
 
-	registers = []string{"R0", "R1", "R2", "R3"}
+	registers = []string{"R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7"}
 )
 
 type Line struct {