diff --git a/backends/fs/chroot/chroot-fs-factory.cpp b/backends/fs/chroot/chroot-fs-factory.cpp
index db5655ffcef..dadc50bd0e5 100644
--- a/backends/fs/chroot/chroot-fs-factory.cpp
+++ b/backends/fs/chroot/chroot-fs-factory.cpp
@@ -26,6 +26,8 @@
 #define FORBIDDEN_SYMBOL_EXCEPTION_unistd_h
 #define FORBIDDEN_SYMBOL_EXCEPTION_mkdir
 #define FORBIDDEN_SYMBOL_EXCEPTION_exit		//Needed for IRIX's unistd.h
+#define FORBIDDEN_SYMBOL_EXCEPTION_random
+#define FORBIDDEN_SYMBOL_EXCEPTION_srandom
 
 #include "backends/fs/chroot/chroot-fs-factory.h"
 #include "backends/fs/chroot/chroot-fs.h"
diff --git a/backends/fs/chroot/chroot-fs.cpp b/backends/fs/chroot/chroot-fs.cpp
index ac7cde33987..c10cc0b880d 100644
--- a/backends/fs/chroot/chroot-fs.cpp
+++ b/backends/fs/chroot/chroot-fs.cpp
@@ -29,6 +29,8 @@
 #define FORBIDDEN_SYMBOL_EXCEPTION_mkdir
 #define FORBIDDEN_SYMBOL_EXCEPTION_getenv
 #define FORBIDDEN_SYMBOL_EXCEPTION_exit     //Needed for IRIX's unistd.h
+#define FORBIDDEN_SYMBOL_EXCEPTION_random
+#define FORBIDDEN_SYMBOL_EXCEPTION_srandom
 
 #include "backends/fs/chroot/chroot-fs.h"
 
diff --git a/backends/fs/posix/posix-fs-factory.cpp b/backends/fs/posix/posix-fs-factory.cpp
index d6266c78c96..6ef5fce8b77 100644
--- a/backends/fs/posix/posix-fs-factory.cpp
+++ b/backends/fs/posix/posix-fs-factory.cpp
@@ -28,6 +28,8 @@
 #define FORBIDDEN_SYMBOL_EXCEPTION_unistd_h
 #define FORBIDDEN_SYMBOL_EXCEPTION_mkdir
 #define FORBIDDEN_SYMBOL_EXCEPTION_exit		//Needed for IRIX's unistd.h
+#define FORBIDDEN_SYMBOL_EXCEPTION_random
+#define FORBIDDEN_SYMBOL_EXCEPTION_srandom
 
 #include "backends/fs/posix/posix-fs-factory.h"
 #include "backends/fs/posix/posix-fs.h"
diff --git a/backends/fs/posix/posix-fs.cpp b/backends/fs/posix/posix-fs.cpp
index 01c27518575..b0c888966f2 100644
--- a/backends/fs/posix/posix-fs.cpp
+++ b/backends/fs/posix/posix-fs.cpp
@@ -29,6 +29,8 @@
 #define FORBIDDEN_SYMBOL_EXCEPTION_mkdir
 #define FORBIDDEN_SYMBOL_EXCEPTION_getenv
 #define FORBIDDEN_SYMBOL_EXCEPTION_exit		//Needed for IRIX's unistd.h
+#define FORBIDDEN_SYMBOL_EXCEPTION_random
+#define FORBIDDEN_SYMBOL_EXCEPTION_srandom
 
 #include "backends/fs/posix/posix-fs.h"
 #include "backends/fs/stdiostream.h"
diff --git a/backends/platform/sdl/posix/posix.cpp b/backends/platform/sdl/posix/posix.cpp
index b8a04020d5d..4665228b1a7 100644
--- a/backends/platform/sdl/posix/posix.cpp
+++ b/backends/platform/sdl/posix/posix.cpp
@@ -26,6 +26,8 @@
 #define FORBIDDEN_SYMBOL_EXCEPTION_unistd_h
 #define FORBIDDEN_SYMBOL_EXCEPTION_time_h	//On IRIX, sys/stat.h includes sys/time.h
 #define FORBIDDEN_SYMBOL_EXCEPTION_system
+#define FORBIDDEN_SYMBOL_EXCEPTION_random
+#define FORBIDDEN_SYMBOL_EXCEPTION_srandom
 
 #include "common/scummsys.h"
 
diff --git a/backends/saves/posix/posix-saves.cpp b/backends/saves/posix/posix-saves.cpp
index 2a7b4d3e9fb..9c2206bfb25 100644
--- a/backends/saves/posix/posix-saves.cpp
+++ b/backends/saves/posix/posix-saves.cpp
@@ -27,6 +27,8 @@
 #define FORBIDDEN_SYMBOL_EXCEPTION_unistd_h
 #define FORBIDDEN_SYMBOL_EXCEPTION_mkdir
 #define FORBIDDEN_SYMBOL_EXCEPTION_getenv
+#define FORBIDDEN_SYMBOL_EXCEPTION_random
+#define FORBIDDEN_SYMBOL_EXCEPTION_srandom
 
 #include "common/scummsys.h"