diff --git a/arch/x86/lib/x86-opcode-map.txt b/arch/x86/lib/x86-opcode-map.txt
index 8908c58bd6cd..53adc1762ec0 100644
--- a/arch/x86/lib/x86-opcode-map.txt
+++ b/arch/x86/lib/x86-opcode-map.txt
@@ -929,7 +929,7 @@ EndTable
 
 GrpTable: Grp3_2
 0: TEST Ev,Iz
-1:
+1: TEST Ev,Iz
 2: NOT Ev
 3: NEG Ev
 4: MUL rAX,Ev
diff --git a/tools/arch/x86/lib/x86-opcode-map.txt b/tools/arch/x86/lib/x86-opcode-map.txt
index 8908c58bd6cd..53adc1762ec0 100644
--- a/tools/arch/x86/lib/x86-opcode-map.txt
+++ b/tools/arch/x86/lib/x86-opcode-map.txt
@@ -929,7 +929,7 @@ EndTable
 
 GrpTable: Grp3_2
 0: TEST Ev,Iz
-1:
+1: TEST Ev,Iz
 2: NOT Ev
 3: NEG Ev
 4: MUL rAX,Ev