diff --git a/src/llvm_backend_expr.cpp b/src/llvm_backend_expr.cpp
index aba196af8..501108c49 100644
--- a/src/llvm_backend_expr.cpp
+++ b/src/llvm_backend_expr.cpp
@@ -1377,6 +1377,8 @@ gb_internal LLVMValueRef lb_integer_modulo(lbProcedure *p, LLVMValueRef lhs, LLV
 	if (LLVMIsConstant(rhs)) {
 		if (LLVMIsNull(rhs)) {
 			switch (behaviour) {
+			case IntegerDivisionByZero_trap:
+				break;
 			case IntegerDivisionByZero_Self:
 				return zero;
 			case IntegerDivisionByZero_Zero: