diff --git a/Core/Compatibility.cpp b/Core/Compatibility.cpp
index 60790ddbfc..0a79f79810 100644
--- a/Core/Compatibility.cpp
+++ b/Core/Compatibility.cpp
@@ -124,6 +124,7 @@ void Compatibility::CheckSettings(IniFile &iniFile, const std::string &gameID) {
 	CheckSetting(iniFile, gameID, "OldAdrenoPixelDepthRoundingGL", &flags_.OldAdrenoPixelDepthRoundingGL);
 	CheckSetting(iniFile, gameID, "ForceCircleButtonConfirm", &flags_.ForceCircleButtonConfirm);
 	CheckSetting(iniFile, gameID, "DisallowFramebufferAtOffset", &flags_.DisallowFramebufferAtOffset);
+	CheckSetting(iniFile, gameID, "RockmanDash2SoundFix", &flags_.RockmanDash2SoundFix);
 }
 
 void Compatibility::CheckVRSettings(IniFile &iniFile, const std::string &gameID) {
diff --git a/Core/Compatibility.h b/Core/Compatibility.h
index d5c03f42f0..99b16ce525 100644
--- a/Core/Compatibility.h
+++ b/Core/Compatibility.h
@@ -95,6 +95,7 @@ struct CompatFlags {
 	bool OldAdrenoPixelDepthRoundingGL;
 	bool ForceCircleButtonConfirm;
 	bool DisallowFramebufferAtOffset;
+	bool RockmanDash2SoundFix;
 };
 
 struct VRCompat {
diff --git a/Core/HW/SasAudio.cpp b/Core/HW/SasAudio.cpp
index 4d85d0fd7c..08393bf485 100644
--- a/Core/HW/SasAudio.cpp
+++ b/Core/HW/SasAudio.cpp
@@ -25,6 +25,7 @@
 #include "Core/Config.h"
 #include "Core/Reporting.h"
 #include "Core/Util/AudioFormat.h"
+#include "Core/Core.h"
 #include "SasAudio.h"
 
 // #define AUDIO_TO_FILE
@@ -894,7 +895,11 @@ inline void ADSREnvelope::Step() {
 			SetState(STATE_SUSTAIN);
 		break;
 	case STATE_SUSTAIN:
-		WalkCurve(sustainType, sustainRate);
+		if (PSP_CoreParameter().compat.flags().RockmanDash2SoundFix && sustainType == PSP_SAS_ADSR_CURVE_MODE_LINEAR_INCREASE) {
+			WalkCurve(PSP_SAS_ADSR_CURVE_MODE_LINEAR_DECREASE, sustainRate);
+		} else {
+			WalkCurve(sustainType, sustainRate);
+		}
 		if (height_ <= 0) {
 			height_ = 0;
 			SetState(STATE_RELEASE);
diff --git a/assets/compat.ini b/assets/compat.ini
index 1bff998155..68e46c2fb5 100644
--- a/assets/compat.ini
+++ b/assets/compat.ini
@@ -1424,3 +1424,9 @@ UCES01264 = true
 UCJS10107 = true
 NPJG00073 = true
 UCAS40262 = true
+
+[RockmanDash2SoundFix]
+# Rockman Dash 2, see #11442
+ULJM05037 = true
+ULJM05216 = true
+NPJH50181 = true
\ No newline at end of file