diff --git a/src/engine/platform/x1_010.cpp b/src/engine/platform/x1_010.cpp
index d70a31df1..6834986f6 100644
--- a/src/engine/platform/x1_010.cpp
+++ b/src/engine/platform/x1_010.cpp
@@ -669,6 +669,7 @@ int DivPlatformX1_010::dispatch(DivCommand c) {
       }
       break;
     case DIV_CMD_PANNING: {
+      if (!stereo) break;
       if (chan[c.chan].pan!=c.value) {
         chan[c.chan].pan=c.value;
         if (!isMuted[c.chan]) {