diff --git a/decompile/Makefile b/decompile/Makefile
index 48a4ba7..92d8f5f 100644
--- a/decompile/Makefile
+++ b/decompile/Makefile
@@ -3,7 +3,7 @@ all: src/JSRF/Jet2.obj
 # Simple inference rule for producing object files
 .SUFFIXES: .cpp .obj
 .cpp.obj:
-	CL.EXE /nologo /Wall /TP /W3 /O2 /Ob0 /MT /GX /Fo$@ /c $<
+	CL.EXE /nologo /Wall /TP /W3 /Ogityb0 /MT /GX /Fo$@ /c $<
 
 # Header files used for each object
 src/JSRF/Jet2.obj: src/JSRF/Core.hpp src/XDK/D3D.hpp src/XDK/Win32.hpp\
diff --git a/decompile/src/JSRF/Core.cpp b/decompile/src/JSRF/Core.cpp
index 62ae1cd..84141ab 100644
--- a/decompile/src/JSRF/Core.cpp
+++ b/decompile/src/JSRF/Core.cpp
@@ -569,7 +569,7 @@ void Game::frame() {
 // Matching: yes
 int Game::mainLoop() {
 	if (this->initState >= 0) while (true) {
-		if (this->fatalErr == FALSE) this->frame();
+		if (!this->fatalErr) this->frame();
 		else {
 			readInput();
 			Sleep(0x10);