diff --git a/public/build.c b/public/build.c
index 49a82112..361a7b90 100644
--- a/public/build.c
+++ b/public/build.c
@@ -123,6 +123,8 @@ const char *Q_PlatformStringByID( const int platform )
 		return "sunos";
 	case PLATFORM_HURD:
 		return "hurd";
+	case PLATFORM_PSP:
+		return "psp";
 	}
 
 	assert( 0 );
diff --git a/public/build.h b/public/build.h
index bba120be..d7bb6a8d 100644
--- a/public/build.h
+++ b/public/build.h
@@ -87,6 +87,7 @@ Then you can use another oneliner to query all variables:
 #undef XASH_WIN32
 #undef XASH_X86
 #undef XASH_NSWITCH
+#undef XASH_PSP
 #undef XASH_PSVITA
 #undef XASH_WASI
 #undef XASH_WASM
@@ -100,6 +101,8 @@ Then you can use another oneliner to query all variables:
 	#define XASH_WIN32 1
 #elif defined __WATCOMC__ && defined __DOS__
 	#define XASH_DOS4GW 1
+#elif defined __psp__
+	#define XASH_PSP 1
 #else // POSIX compatible
 	#define XASH_POSIX 1
 	#if defined __linux__
diff --git a/public/buildenums.h b/public/buildenums.h
index f4f3e155..7ffb3864 100644
--- a/public/buildenums.h
+++ b/public/buildenums.h
@@ -44,6 +44,7 @@ GNU General Public License for more details.
 #define PLATFORM_WASI       15
 #define PLATFORM_SUNOS      16
 #define PLATFORM_HURD       17
+#define PLATFORM_PSP        18
 
 #if XASH_WIN32
 	#define XASH_PLATFORM PLATFORM_WIN32
@@ -79,6 +80,8 @@ GNU General Public License for more details.
 	#define XASH_PLATFORM PLATFORM_SUNOS
 #elif XASH_HURD
 	#define XASH_PLATFORM PLATFORM_HURD
+#elif XASH_PSP
+	#define XASH_PLATFORM PLATFORM_PSP
 #else
 	#error
 #endif