diff --git a/src/audio.cpp b/src/audio.cpp
index 49b29d0b..7079df02 100644
--- a/src/audio.cpp
+++ b/src/audio.cpp
@@ -1,5 +1,6 @@
 #include <audio.hpp>
 #include <string.hpp>
+#include <math.hpp>
 
 
 namespace rack {
@@ -288,7 +289,7 @@ int Port::getNumInputs() {
 	if (!device)
 		return 0;
 	try {
-		return std::min(std::max(device->getNumInputs() - inputOffset, 0), maxInputs);
+		return math::clamp(device->getNumInputs() - inputOffset, 0, maxInputs);
 	}
 	catch (Exception& e) {
 		WARN("Audio port could not get device number of inputs: %s", e.what());
@@ -300,7 +301,7 @@ int Port::getNumOutputs() {
 	if (!device)
 		return 0;
 	try {
-		return std::min(std::max(device->getNumOutputs() - outputOffset, 0), maxOutputs);
+		return math::clamp(device->getNumOutputs() - outputOffset, 0, maxOutputs);
 	}
 	catch (Exception& e) {
 		WARN("Audio port could not get device number of outputs: %s", e.what());