diff --git a/pcsx2/DebugTools/Breakpoints.cpp b/pcsx2/DebugTools/Breakpoints.cpp
index 105c3610f8..90d24572d6 100644
--- a/pcsx2/DebugTools/Breakpoints.cpp
+++ b/pcsx2/DebugTools/Breakpoints.cpp
@@ -45,7 +45,14 @@ u32 __fastcall standardizeBreakpointAddress(u32 addr)
 	return addr;
 }
 
-MemCheck::MemCheck()
+MemCheck::MemCheck() :
+	start(0),
+	end(0),
+	cond(MEMCHECK_READWRITE),
+	result(MEMCHECK_BOTH),
+	lastPC(0),
+	lastAddr(0),
+	lastSize(0)
 {
 	numHits = 0;
 }
diff --git a/pcsx2/DebugTools/Breakpoints.h b/pcsx2/DebugTools/Breakpoints.h
index 48f79f5563..131eb2e521 100644
--- a/pcsx2/DebugTools/Breakpoints.h
+++ b/pcsx2/DebugTools/Breakpoints.h
@@ -43,7 +43,8 @@ struct BreakPointCond
 
 struct BreakPoint
 {
-	BreakPoint() : hasCond(false) {}
+	BreakPoint() : addr(0), enabled(false), temporary(false), hasCond(false)
+	{}
 
 	u32	addr;
 	bool enabled;