diff --git a/src/instructions.js b/src/instructions.js
index 17cbf618..1f7d1a6d 100644
--- a/src/instructions.js
+++ b/src/instructions.js
@@ -1930,7 +1930,12 @@ t[0x1A] = cpu => { cpu.unimplemented_sse(); };
 t[0x1B] = cpu => { cpu.unimplemented_sse(); };
 t[0x1C] = cpu => { cpu.unimplemented_sse(); };
 t[0x1D] = cpu => { cpu.unimplemented_sse(); };
-t[0x1E] = cpu => { cpu.unimplemented_sse(); };
+// endbr32/endbr64
+t[0x1E] = cpu => { cpu.read_modrm_byte()
+    // multi-byte nop
+    if(cpu.modrm_byte < 0xC0)
+        cpu.modrm_resolve(cpu.modrm_byte);
+};
 t[0x1F] = cpu => { cpu.read_modrm_byte()
     // multi-byte nop
     if(cpu.modrm_byte < 0xC0)