diff --git a/src/portmanager.cpp b/src/portmanager.cpp
index 1bae4f3..ff90d74 100644
--- a/src/portmanager.cpp
+++ b/src/portmanager.cpp
@@ -274,7 +274,30 @@ Port *PortManager::FindPort(jack_port_t *port)
 
 static bool BaseSortPredicate(const Base *lhs, const Base *rhs)
 {
-	return lhs->m_name < rhs->m_name;
+	const char *a = lhs->m_name.c_str();
+	const char *b = rhs->m_name.c_str();
+	size_t len = std::max(lhs->m_name.length(), rhs->m_name.length());
+
+	for (size_t p = 0; p < len; p++) {
+		char ac = (p < lhs->m_name.length()) ? a[p] : '\0';
+		char bc = (p < rhs->m_name.length()) ? b[p] : '\0';
+
+		if (ac >= '0' && ac <= '9' && bc >= '0' && bc <= '9') {
+			// Numeric sort
+			long int av = strtol(&a[p], NULL, 0);
+			long int bv = strtol(&b[p], NULL, 0);
+			if (av != bv) {
+				return av < bv;
+			}
+		} else {
+			// Alphabetic sort
+			if (ac != bc) {
+				return ac < bc;
+			}
+		}
+	}
+
+	return false;
 }
 
 void PortManager::Sort()