diff --git a/src/engine/sysDef.cpp b/src/engine/sysDef.cpp
index 6b1365e4d..de1798d11 100644
--- a/src/engine/sysDef.cpp
+++ b/src/engine/sysDef.cpp
@@ -1617,7 +1617,7 @@ void DivEngine::registerSystems() {
     {DIV_CH_FM, DIV_CH_FM, DIV_CH_FM, DIV_CH_FM, DIV_CH_FM, DIV_CH_FM, DIV_CH_NOISE, DIV_CH_NOISE, DIV_CH_NOISE, DIV_CH_NOISE, DIV_CH_NOISE, DIV_CH_PCM},
     {DIV_INS_OPL, DIV_INS_OPL, DIV_INS_OPL, DIV_INS_OPL, DIV_INS_OPL, DIV_INS_OPL, DIV_INS_OPL, DIV_INS_OPL_DRUMS, DIV_INS_OPL_DRUMS, DIV_INS_OPL_DRUMS, DIV_INS_OPL_DRUMS, DIV_INS_ADPCMB},
     {DIV_INS_NULL, DIV_INS_NULL, DIV_INS_NULL, DIV_INS_NULL, DIV_INS_NULL, DIV_INS_NULL, DIV_INS_NULL, DIV_INS_OPL, DIV_INS_OPL, DIV_INS_OPL, DIV_INS_OPL, DIV_INS_AMIGA},
-    fmEffectHandlerMap,
+    fmOPLDrumsEffectHandlerMap,
     fmOPLPostEffectHandlerMap
   );