diff --git a/common/zlib.cpp b/common/zlib.cpp
index 35a103499bc..94fc7bb87bd 100644
--- a/common/zlib.cpp
+++ b/common/zlib.cpp
@@ -33,6 +33,10 @@
 #if defined(USE_ZLIB)
   #ifdef __SYMBIAN32__
     #include <zlib\zlib.h>
+  #elif defined(__MORPHOS__)
+	#define _NO_PPCINLINE
+	#include <zlib.h>
+	#undef _NO_PPCINLINE
   #else
     #include <zlib.h>
   #endif