diff --git a/arch/EVM/EVMDisassembler.c b/arch/EVM/EVMDisassembler.c
index f9a9915..5cc8ff0 100644
--- a/arch/EVM/EVMDisassembler.c
+++ b/arch/EVM/EVMDisassembler.c
@@ -315,6 +315,8 @@
 
 		// setup groups
 		switch(opcode) {
+			default:
+				break;
 			case EVM_INS_ADD:
 			case EVM_INS_MUL:
 			case EVM_INS_SUB: