diff --git a/Makefile b/Makefile
index dd3573c..07e99cc 100755
--- a/Makefile
+++ b/Makefile
@@ -159,8 +159,8 @@ endif
 OBJDIR = $(BIN)/obj
 
 # All other sources
-OBJS != find source/engine -type f -name '*.c' | grep -vE 'test|tool|example'
-CPPOBJS != find source/engine -type f -name '*.cpp' | grep -vE 'test|tool|example'
+OBJS != find source/engine -type f -name '*.c' | grep -vE 'test|tool|example|fuzz|main'
+CPPOBJS != find source/engine -type f -name '*.cpp' | grep -vE 'test|tool|example|fuzz|main'
 OBJS += $(CPPOBJS)
 OBJS += $(shell find source/engine -type f -name '*.m')
 OBJS := $(patsubst %.cpp, %.o, $(OBJS))
diff --git a/source/engine/sched.h b/source/engine/sched.h
index 8c2d079..7916789 100644
--- a/source/engine/sched.h
+++ b/source/engine/sched.h
@@ -284,7 +284,7 @@ SCHED_API void scheduler_stop(struct scheduler*, int doWait);
 /* windows requires Windows.h even if you use mingw */
 #if defined(_WIN32) || (defined(__MINGW32__) || defined(__MINGW64__))
     #define WIN32_LEAN_AND_MEAN
-    #include <windows.h>
+    #include <Windows.h>
 #endif
 
 /* make sure atomic and pointer types have correct size */