1 files changed, 5 insertions, 1 deletions
diff --git a/src/input_common/input_mapping.cpp b/src/input_common/input_mapping.cpp
index edd5287c1e..6990a86b9e 100644
--- a/src/input_common/input_mapping.cpp
+++ b/src/input_common/input_mapping.cpp
@@ -76,7 +76,7 @@ void MappingFactory::RegisterButton(const MappingData& data) {
         break;
     case EngineInputType::Analog:
         // Ignore mouse axis when mapping buttons
-        if (data.engine == "mouse") {
+        if (data.engine == "mouse" && data.index != 4) {
             return;
         }
         new_input.Set("axis", data.index);
@@ -194,6 +194,10 @@ bool MappingFactory::IsDriverValid(const MappingData& data) const {
     if (data.engine == "keyboard" && data.pad.port != 0) {
         return false;
     }
+    // Only port 0 can be mapped on the mouse
+    if (data.engine == "mouse" && data.pad.port != 0) {
+        return false;
+    }
     // To prevent mapping with two devices we disable any UDP except motion
     if (!Settings::values.enable_udp_controller && data.engine == "cemuhookudp" &&
         data.type != EngineInputType::Motion) {