diff --git a/.gitignore b/.gitignore
index 25bd6d0e..52fc43f4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,6 +8,7 @@ winbuild/
 win32build/
 macbuild/
 linuxbuild/
+webbuild/
 *.swp
 .cache/
 .DS_Store
diff --git a/src/engine/platform/snes.cpp b/src/engine/platform/snes.cpp
index 8f930342..c13fa6bf 100644
--- a/src/engine/platform/snes.cpp
+++ b/src/engine/platform/snes.cpp
@@ -87,7 +87,7 @@ void DivPlatformSNES::acquire(short* bufL, short* bufR, size_t start, size_t len
   }
 }
 
-void DivPlatformSNES::tick() {
+void DivPlatformSNES::tick(bool sysTick) {
   // KON/KOFF can't be written several times per one sample
   // so they have to be accumulated
   unsigned char kon=0;
diff --git a/src/engine/platform/snes.h b/src/engine/platform/snes.h
index 2b49a68c..7e8d6882 100644
--- a/src/engine/platform/snes.h
+++ b/src/engine/platform/snes.h
@@ -82,7 +82,7 @@ class DivPlatformSNES: public DivDispatch {
     int getRegisterPoolSize();
     void reset();
     void forceIns();
-    void tick();
+    void tick(bool sysTick=true);
     void muteChannel(int ch, bool mute);
     bool isStereo();
     void notifyInsChange(int ins);