diff --git a/Makefile b/Makefile
index 3baefa9..f909d78 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@ BZIP2_OBJ     = contrib/bzip2/blocksort.o contrib/bzip2/compress.o contrib/bzip2
 GIFLIB_OBJ    = contrib/giflib/dgif_lib_gcc.o contrib/giflib/egif_lib_gcc.o contrib/giflib/gifalloc.o contrib/giflib/gif_err.o
 PACKJPG_OBJ   = contrib/packjpg/aricoder.o contrib/packjpg/bitops.o contrib/packjpg/packjpg.o
 ZLIB_OBJ      = contrib/zlib/adler32.o contrib/zlib/crc32.o contrib/zlib/zutil.o contrib/zlib/trees.o contrib/zlib/inftrees.o contrib/zlib/inffast.o contrib/zlib/inflate.o contrib/zlib/deflate.o
-CFLAGS        = -DLINUX -D_FILE_OFFSET_BITS=64 -O2 -Wall
+CFLAGS        = -DUNIX -D_FILE_OFFSET_BITS=64 -O2 -Wall
 
 .PHONY: all
 all: contrib $(PROGNAME)
diff --git a/contrib/packjpg/Makefile b/contrib/packjpg/Makefile
index bc886fb..cb06e69 100644
--- a/contrib/packjpg/Makefile
+++ b/contrib/packjpg/Makefile
@@ -1,5 +1,5 @@
 OBJECTS = bitops.o aricoder.o packjpg.o
-CFLAGS  = -O3 -DUNIX -DBUILD_LIB -Wall -pedantic -funroll-loops -ffast-math -fsched-spec-load -fomit-frame-pointer
+CFLAGS  = -O3 -DUNIX -DBUILD_LIB -Wall -pedantic -funroll-loops -ffast-math -fomit-frame-pointer
 
 .PHONY: all
 all: $(OBJECTS)
diff --git a/precomp.cpp b/precomp.cpp
index 8c7a915..de2f8e1 100644
--- a/precomp.cpp
+++ b/precomp.cpp
@@ -57,7 +57,7 @@
 #include <unistd.h>
 #endif
 
-#ifndef LINUX
+#ifndef UNIX
 #include <conio.h>
 #include <windows.h>
 #define PATH_DELIM '\\'
@@ -1160,7 +1160,7 @@ int init(int argc, char* argv[]) {
         printf("\n");
         exit(0);
       } else {
-        #ifndef LINUX
+        #ifndef UNIX
         printf("\n\n");
         #else
         printf("\n");
@@ -6161,7 +6161,7 @@ size_t own_fread(void *ptr, size_t size, size_t count, FILE* stream) {
 }
 
 void seek_64(FILE* f, unsigned long long pos) {
-  #ifndef LINUX
+  #ifndef UNIX
     fpos_t fpt_pos = pos;
     fsetpos(f, &fpt_pos);
   #else
@@ -6170,7 +6170,7 @@ void seek_64(FILE* f, unsigned long long pos) {
 }
 
 unsigned long long tell_64(FILE* f) {
-  #ifndef LINUX
+  #ifndef UNIX
     fpos_t fpt_pos;
     fgetpos(f, &fpt_pos);
     return fpt_pos;
@@ -8729,7 +8729,7 @@ wchar_t* convertCharArrayToLPCWSTR(const char* charArray)
 #endif
 
 long long fileSize64(char* filename) {
-  #ifndef LINUX
+  #ifndef UNIX
     unsigned long s1 = 0, s2 = 0;
 
     //HANDLE h = CreateFile(filename, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
@@ -8758,7 +8758,7 @@ long long fileSize64(char* filename) {
     long long result=ftello(f);
     safe_fclose(&f);
     return result;
-  #endif // LINUX
+  #endif // UNIX
 }
 
 void print64(long long i64) {
@@ -9234,7 +9234,7 @@ void denit_decompress_otf() {
 
 // Get current time in ms
 long long get_time_ms() {
-  #ifndef LINUX
+  #ifndef UNIX
     return GetTickCount();
   #else
     timeval t;
@@ -9261,7 +9261,7 @@ void printf_time(long long t) {
 }
 
 char get_char_with_echo() {
-  #ifndef LINUX
+  #ifndef UNIX
     return getche();
   #else
     return fgetc(stdin);