diff --git a/engines/saga2/button.cpp b/engines/saga2/button.cpp
index 15bc73352c1..2536cabb23e 100644
--- a/engines/saga2/button.cpp
+++ b/engines/saga2/button.cpp
@@ -709,6 +709,7 @@ gMultCompButton::gMultCompButton(gPanelList &list, const Rect16 &box, void **new
 		max     = 0;
 		min     = 0;
 		current = 0;
+		response = false;
 		return;
 	}
 
diff --git a/engines/saga2/gamerate.h b/engines/saga2/gamerate.h
index 593537ff474..1e1d8b38b94 100644
--- a/engines/saga2/gamerate.h
+++ b/engines/saga2/gamerate.h
@@ -236,6 +236,8 @@ frameSmoother::frameSmoother(int32 fps, uint32 perSec, uint32 now)
 
 	dif5Sec = 0;
 	avg5Sec = 0;
+	secDif = 0;
+	secAvg = 0;
 }
 
 } // end of namespace Saga2
diff --git a/engines/saga2/hresmgr.cpp b/engines/saga2/hresmgr.cpp
index 2d6ecf24277..f1c8e3801c1 100644
--- a/engines/saga2/hresmgr.cpp
+++ b/engines/saga2/hresmgr.cpp
@@ -57,6 +57,7 @@ hResContext::hResContext(hResContext *sire, hResID id, const char desc[]) {
 	_bytepos = 0;
 	_handle = &_file;
 	_base = nullptr;
+	_parent = 0;
 
 	if (!_res->_valid)
 		return;