diff --git a/glide3x/cvg/glide3/tests/tlib.c b/glide3x/cvg/glide3/tests/tlib.c
index 4ffe186..6bfabed 100644
--- a/glide3x/cvg/glide3/tests/tlib.c
+++ b/glide3x/cvg/glide3/tests/tlib.c
@@ -18,6 +18,8 @@
 #endif
 
 #ifdef __DJGPP__
+#include <conio.h>
+#include <pc.h>
 #include <crt0.h>
 int crt0_startup_flags = _CRT0_FLAG_NONMOVE_SBRK;
 #endif
diff --git a/glide3x/h3/glide3/tests/tlib.c b/glide3x/h3/glide3/tests/tlib.c
index c773357..3602400 100644
--- a/glide3x/h3/glide3/tests/tlib.c
+++ b/glide3x/h3/glide3/tests/tlib.c
@@ -18,6 +18,8 @@
 #endif
 
 #ifdef __DJGPP__
+#include <conio.h>
+#include <pc.h>
 #include <crt0.h>
 int crt0_startup_flags = _CRT0_FLAG_NONMOVE_SBRK;
 #endif
diff --git a/glide3x/sst1/glide3/tests/tlib.c b/glide3x/sst1/glide3/tests/tlib.c
index 493c492..d9a66f9 100644
--- a/glide3x/sst1/glide3/tests/tlib.c
+++ b/glide3x/sst1/glide3/tests/tlib.c
@@ -18,6 +18,8 @@
 #endif
 
 #ifdef __DJGPP__
+#include <conio.h>
+#include <pc.h>
 #include <crt0.h>
 int crt0_startup_flags = _CRT0_FLAG_NONMOVE_SBRK;
 #endif