diff --git a/src/input_core/input_core.cpp b/src/input_core/input_core.cpp
index 99447c0bd..71524a7c4 100644
--- a/src/input_core/input_core.cpp
+++ b/src/input_core/input_core.cpp
@@ -4,6 +4,7 @@
 
 #include <algorithm>
 #include <chrono>
+#include <cmath>
 #include <map>
 
 #include "core/core_timing.h"
@@ -177,7 +178,7 @@ void InputCore::BuildKeyMapping() {
     for (size_t i = 0; i < Settings::values.input_mappings.size(); i++) {
         auto val = KeyMap::mapping_targets[i];
         auto key = Settings::values.input_mappings[i];
-        key_mappings.try_emplace(key, std::vector<Service::HID::PadState>());
+        key_mappings.emplace(key, std::vector<Service::HID::PadState>());
         key_mappings[key].push_back(val);
     }
 }
@@ -219,7 +220,7 @@ void InputCore::ParseSettings() {
 }
 
 std::tuple<float, float> InputCore::ApplyDeadzone(float x, float y, float dead_zone) {
-    float magnitude = sqrt((x * x) + (y * y));
+    float magnitude = std::sqrt((x * x) + (y * y));
     if (magnitude < dead_zone) {
         x = 0;
         y = 0;