diff --git a/Ghidra/Processors/x86/data/languages/ia.sinc b/Ghidra/Processors/x86/data/languages/ia.sinc
index 34fd0d66ef..ddd67f36e8 100644
--- a/Ghidra/Processors/x86/data/languages/ia.sinc
+++ b/Ghidra/Processors/x86/data/languages/ia.sinc
@@ -1606,13 +1606,13 @@ macro fucompe(val1, val2) {
                        [ instrPhase=1; vexMode=1; rexBprefix=~vex_b; vexMMMMM=vex_mmmmm; rexWprefix=vex_w;  vexVVVV=~vex_vvvv; vexL=vex_l; prefix_f2=1; ] {}
 
 # 32-bit 2-byte VEX
-:^instruction is $(LONGMODE_OFF) & instrPhase=0 & vexMode=0 & rexprefix=0 & mandover=0 & byte=0xC5; vex_r=1 & vex_vvvv & vex_l & vex_pp=0; instruction
+:^instruction is $(LONGMODE_OFF) & instrPhase=0 & vexMode=0 & rexprefix=0 & mandover=0 & byte=0xC5; vex_r=1 & vex_x=1 & vex_vvvv & vex_l & vex_pp=0; instruction
                        [ instrPhase=1; vexMode=1; vexVVVV=~vex_vvvv; vexL=vex_l; vexMMMMM=0x1; ] {}
-:^instruction is $(LONGMODE_OFF) & instrPhase=0 & vexMode=0 & rexprefix=0 & mandover=0 & byte=0xC5; vex_r=1 & vex_vvvv & vex_l & vex_pp=1; instruction
+:^instruction is $(LONGMODE_OFF) & instrPhase=0 & vexMode=0 & rexprefix=0 & mandover=0 & byte=0xC5; vex_r=1 & vex_x=1 & vex_vvvv & vex_l & vex_pp=1; instruction
                        [ instrPhase=1; vexMode=1; vexVVVV=~vex_vvvv; vexL=vex_l; vexMMMMM=0x1; prefix_66=1; ] {}
-:^instruction is $(LONGMODE_OFF) & instrPhase=0 & vexMode=0 & rexprefix=0 & mandover=0 & byte=0xC5; vex_r=1 & vex_vvvv & vex_l & vex_pp=2; instruction
+:^instruction is $(LONGMODE_OFF) & instrPhase=0 & vexMode=0 & rexprefix=0 & mandover=0 & byte=0xC5; vex_r=1 & vex_x=1 & vex_vvvv & vex_l & vex_pp=2; instruction
                        [ instrPhase=1; vexMode=1; vexVVVV=~vex_vvvv; vexL=vex_l; vexMMMMM=0x1; prefix_f3=1; ] {}
-:^instruction is $(LONGMODE_OFF) & instrPhase=0 & vexMode=0 & rexprefix=0 & mandover=0 & byte=0xC5; vex_r=1 & vex_vvvv & vex_l & vex_pp=3; instruction
+:^instruction is $(LONGMODE_OFF) & instrPhase=0 & vexMode=0 & rexprefix=0 & mandover=0 & byte=0xC5; vex_r=1 & vex_x=1 & vex_vvvv & vex_l & vex_pp=3; instruction
                        [ instrPhase=1; vexMode=1; vexVVVV=~vex_vvvv; vexL=vex_l; vexMMMMM=0x1; prefix_f2=1; ] {}