diff --git a/Makefile b/Makefile
index 11aff6c4..568fc941 100644
--- a/Makefile
+++ b/Makefile
@@ -185,6 +185,23 @@ else
     OBJDIR = obj/skyos
     ZIP = zip
 
+  else
+  ifeq ($(PLATFORM),OSF1) #9
+  #OSF1 / tru64 alpha
+      DELCOMMAND = rm -rf
+      MKDIR = mkdir -p
+      RMDIR = rmdir
+      CP = cp
+      ZIP = zip
+      PLATFORMFILES = gfx2.png
+      BIN = grafx2
+      COPT = -W -Wall -std=c99 -c -g -D__TRU64__ `sdl-config --cflags` $(TTFCOPT) $(LUACOPT)
+      LOPT = `sdl-config --libs` -lSDL_image $(TTFLOPT) -lpng $(LUALOPT) -lm
+      CC = gcc
+      OBJDIR = obj/unix
+      X11LOPT = -lX11
+    
+
   else
   ifeq ($(findstring Kickstart,$(shell version)),Kickstart) # 9
     # Classic amiga without gcc. Use vbcc.
@@ -256,6 +273,7 @@ else
   endif
   endif
   endif
+  endif
 endif
 
 ### BUILD SETTINGS are set according to vars set in the platform selection, the "overridable defaults", and environment variables set before launching make
diff --git a/struct.h b/struct.h
index 82ef940d..69a804ac 100644
--- a/struct.h
+++ b/struct.h
@@ -27,7 +27,7 @@
 #ifndef _STRUCT_H_
 #define _STRUCT_H_
 
-#if defined(__BEOS__)
+#if defined(__BEOS__) || defined(__TRU64__)
     #include <inttypes.h>
 #else
     #include <stdint.h>