diff --git a/setter/src/dos/deleted.c b/setter/src/dos/deleted.c
index 9b300aa..d84c85d 100644
--- a/setter/src/dos/deleted.c
+++ b/setter/src/dos/deleted.c
@@ -26,7 +26,7 @@ Copyright (C) 2011-2021 Natalia Portillo
 #include <stdio.h>
 #include <string.h>
 
-#if defined(__WATCOM__)
+#if defined(__WATCOMC__)
 #include <direct.h>
 #elif defined(__DJGPP__)
 #include <unistd.h>
diff --git a/setter/src/dos/dirdepth.c b/setter/src/dos/dirdepth.c
index 2119cfd..4f2eac1 100644
--- a/setter/src/dos/dirdepth.c
+++ b/setter/src/dos/dirdepth.c
@@ -26,7 +26,7 @@ Copyright (C) 2011-2021 Natalia Portillo
 #include <stdio.h>
 #include <string.h>
 
-#if defined(__WATCOM__)
+#if defined(__WATCOMC__)
 #include <direct.h>
 #elif defined(__DJGPP__)
 #include <unistd.h>
diff --git a/setter/src/dos/dos.c b/setter/src/dos/dos.c
index 9c1d219..edabf22 100644
--- a/setter/src/dos/dos.c
+++ b/setter/src/dos/dos.c
@@ -24,7 +24,7 @@ Copyright (C) 2011-2021 Natalia Portillo
 
 #include <errno.h>
 
-#if defined(__WATCOM__)
+#if defined(__WATCOMC__)
 #include <i86.h>
 #include <stdlib.h>
 #include <string.h>
@@ -43,7 +43,7 @@ Copyright (C) 2011-2021 Natalia Portillo
 
 unsigned int _dos_getdiskfree_ex(unsigned int drive, struct diskfree_ex_t* diskspace)
 {
-#if defined(__WATCOM__) || defined(__TURBOC__)
+#if defined(__WATCOMC__) || defined(__TURBOC__)
     char                  drivePath[4];
     union REGS            regs;
     struct SREGS          sregs;
diff --git a/setter/src/dos/dosdefs.h b/setter/src/dos/dosdefs.h
index 0cb1d82..48fc1d3 100644
--- a/setter/src/dos/dosdefs.h
+++ b/setter/src/dos/dosdefs.h
@@ -25,7 +25,7 @@ Copyright (C) 2011-2021 Natalia Portillo
 #ifndef AARU_FSTESTER_SETTER_SRC_DOS_H
 #define AARU_FSTESTER_SETTER_SRC_DOS_H
 
-#if defined(__WATCOM__)
+#if defined(__WATCOMC__)
 #include <direct.h>
 #define __dos_mkdir(path) mkdir(path)
 #elif defined(__DJGPP__)
@@ -36,7 +36,7 @@ Copyright (C) 2011-2021 Natalia Portillo
 #define __dos_mkdir(path) mkdir(path)
 #endif
 
-#if defined(__WATCOM__)
+#if defined(__WATCOMC__)
 #pragma pack(__push, 1)
 #else
 #pragma pack(push, 1)
@@ -59,7 +59,7 @@ typedef struct diskfree_ex_t
 
 unsigned int _dos_getdiskfree_ex(unsigned int drive, struct diskfree_ex_t* diskspace);
 
-#if defined(__WATCOM__)
+#if defined(__WATCOMC__)
 #pragma pack(__pop)
 #else
 #pragma pack(pop)
diff --git a/setter/src/dos/filename.c b/setter/src/dos/filename.c
index 930eea8..6e12455 100644
--- a/setter/src/dos/filename.c
+++ b/setter/src/dos/filename.c
@@ -26,7 +26,7 @@ Copyright (C) 2011-2021 Natalia Portillo
 #include <stdio.h>
 #include <string.h>
 
-#if defined(__WATCOM__)
+#if defined(__WATCOMC__)
 #include <direct.h>
 #elif defined(__DJGPP__)
 #include <unistd.h>
diff --git a/setter/src/dos/files.c b/setter/src/dos/files.c
index 19a830a..cdd0803 100644
--- a/setter/src/dos/files.c
+++ b/setter/src/dos/files.c
@@ -26,7 +26,7 @@ Copyright (C) 2011-2021 Natalia Portillo
 #include <stdio.h>
 #include <string.h>
 
-#if defined(__WATCOM__)
+#if defined(__WATCOMC__)
 #include <direct.h>
 #elif defined(__DJGPP__)
 #include <unistd.h>
diff --git a/setter/src/dos/os.c b/setter/src/dos/os.c
index fc60dee..94e14ee 100644
--- a/setter/src/dos/os.c
+++ b/setter/src/dos/os.c
@@ -26,7 +26,7 @@ Copyright (C) 2011-2021 Natalia Portillo
 #include <stdlib.h>
 #include <string.h>
 
-#if defined(__WATCOM__)
+#if defined(__WATCOMC__)
 #include <i86.h>
 #endif