diff --git a/core/adapters/dbgengadapter.cpp b/core/adapters/dbgengadapter.cpp
index d5fd7dda..7cb0676f 100644
--- a/core/adapters/dbgengadapter.cpp
+++ b/core/adapters/dbgengadapter.cpp
@@ -331,6 +331,7 @@ bool DbgEngAdapter::ConnectToDebugServerInternal(const std::string& connectionSt
 	QUERY_DEBUG_INTERFACE(IDebugControl7, &this->m_debugControl);
 	QUERY_DEBUG_INTERFACE(IDebugDataSpaces, &this->m_debugDataSpaces);
 	QUERY_DEBUG_INTERFACE(IDebugDataSpaces2, &this->m_debugDataSpaces2);
+	QUERY_DEBUG_INTERFACE(IDebugDataSpaces4, &this->m_debugDataSpaces4);
 	QUERY_DEBUG_INTERFACE(IDebugRegisters, &this->m_debugRegisters);
 	QUERY_DEBUG_INTERFACE(IDebugSymbols3, &this->m_debugSymbols);
 	QUERY_DEBUG_INTERFACE(IDebugSystemObjects, &this->m_debugSystemObjects);
@@ -424,6 +425,7 @@ void DbgEngAdapter::Reset()
 		SAFE_RELEASE(this->m_debugControl);
 		SAFE_RELEASE(this->m_debugDataSpaces);
 		SAFE_RELEASE(this->m_debugDataSpaces2);
+		SAFE_RELEASE(this->m_debugDataSpaces4);
 		SAFE_RELEASE(this->m_debugRegisters);
 		SAFE_RELEASE(this->m_debugSymbols);
 		SAFE_RELEASE(this->m_debugSystemObjects);
diff --git a/core/adapters/dbgengadapter.h b/core/adapters/dbgengadapter.h
index 7f007033..7dfc01d1 100644
--- a/core/adapters/dbgengadapter.h
+++ b/core/adapters/dbgengadapter.h
@@ -129,6 +129,7 @@ namespace BinaryNinjaDebugger {
 		IDebugControl7* m_debugControl {nullptr};
 		IDebugDataSpaces* m_debugDataSpaces {nullptr};
 		IDebugDataSpaces2* m_debugDataSpaces2 {nullptr};
+		IDebugDataSpaces4* m_debugDataSpaces4 {nullptr};
 		IDebugRegisters* m_debugRegisters {nullptr};
 		IDebugSymbols3* m_debugSymbols {nullptr};
 		IDebugSystemObjects* m_debugSystemObjects {nullptr};
diff --git a/core/adapters/dbgengttdadapter.cpp b/core/adapters/dbgengttdadapter.cpp
index f68e1690..aee47d53 100644
--- a/core/adapters/dbgengttdadapter.cpp
+++ b/core/adapters/dbgengttdadapter.cpp
@@ -133,6 +133,11 @@ bool DbgEngTTDAdapter::Start()
 
 	QUERY_DEBUG_INTERFACE(IDebugControl7, &this->m_debugControl);
 	QUERY_DEBUG_INTERFACE(IDebugDataSpaces, &this->m_debugDataSpaces);
+	// The TTD adapter opens a trace directly instead of going through
+	// DbgEngAdapter::ConnectToDebugServerInternal(), so these have to be queried here too, otherwise
+	// they stay null and everything built on them (e.g. GetMemoryMap()) silently does nothing.
+	QUERY_DEBUG_INTERFACE(IDebugDataSpaces2, &this->m_debugDataSpaces2);
+	QUERY_DEBUG_INTERFACE(IDebugDataSpaces4, &this->m_debugDataSpaces4);
 	QUERY_DEBUG_INTERFACE(IDebugRegisters, &this->m_debugRegisters);
 	QUERY_DEBUG_INTERFACE(IDebugSymbols3, &this->m_debugSymbols);
 	QUERY_DEBUG_INTERFACE(IDebugSystemObjects, &this->m_debugSystemObjects);
@@ -185,6 +190,8 @@ void DbgEngTTDAdapter::Reset()
 	// we should keep everything active.
 	SAFE_RELEASE(this->m_debugControl);
 	SAFE_RELEASE(this->m_debugDataSpaces);
+	SAFE_RELEASE(this->m_debugDataSpaces2);
+	SAFE_RELEASE(this->m_debugDataSpaces4);
 	SAFE_RELEASE(this->m_debugRegisters);
 	SAFE_RELEASE(this->m_debugSymbols);
 	SAFE_RELEASE(this->m_dataModelManager);