diff --git a/src/value.c b/src/value.c
index a77570c0f4..029f411986 100644
--- a/src/value.c
+++ b/src/value.c
@@ -404,11 +404,10 @@ SIValue SIValue_Divide(const SIValue a, const SIValue b) {
 // Calculate a mod n for integer and floating-point inputs.
 SIValue SIValue_Modulo(const SIValue a, const SIValue n) {
 	bool inputs_are_integers = SI_TYPE(a) & SI_TYPE(n) & T_INT64;
-	switch(inputs_are_integers) {
-	case true:
+	if(inputs_are_integers) {
 		// The modulo machine instruction may be used if a and n are both integers.
 		return SI_LongVal(a.longval % n.longval);
-	default:
+	} else {
 		// Otherwise, use the library function fmod to calculate the modulo and return a double.
 		return SI_DoubleVal(fmod(SI_GET_NUMERIC(a), SI_GET_NUMERIC(n)));
 	}