diff --git a/src/gba/hardware.c b/src/gba/hardware.c
index 72e343b15..95e5bef3c 100644
--- a/src/gba/hardware.c
+++ b/src/gba/hardware.c
@@ -9,6 +9,10 @@
 #include "gba/serialize.h"
 #include "util/hash.h"
 
+#ifdef PSP2
+#include <psp2/rtc.h>
+#endif
+
 const int GBA_LUX_LEVELS[10] = { 5, 11, 18, 27, 42, 62, 84, 109, 139, 183 };
 
 static void _readPins(struct GBACartridgeHardware* hw);
@@ -279,6 +283,16 @@ void _rtcUpdateClock(struct GBACartridgeHardware* hw) {
 	struct tm date;
 #ifdef _WIN32
 	localtime_s(&date, &t);
+#elif defined(PSP2)
+	SceRtcTime sceRtc;
+	sceRtcSetTime_t(&sceRtc, t);
+	date.tm_year = sceRtc.year;
+	date.tm_mon = sceRtc.month;
+	date.tm_mday = sceRtc.day;
+	date.tm_hour = sceRtc.hour;
+	date.tm_min = sceRtc.minutes;
+	date.tm_sec = sceRtc.seconds;
+	date.tm_wday = sceRtcGetDayOfWeek(sceRtc.year, sceRtc.month, sceRtc.day);
 #else
 	localtime_r(&t, &date);
 #endif
diff --git a/src/platform/psp2/CMakeLists.txt b/src/platform/psp2/CMakeLists.txt
index 13fa298b2..de698325f 100644
--- a/src/platform/psp2/CMakeLists.txt
+++ b/src/platform/psp2/CMakeLists.txt
@@ -2,7 +2,7 @@ file(GLOB PLATFORM_SRC ${CMAKE_SOURCE_DIR}/src/platform/psp2/*.c)
 
 execute_process(COMMAND ${OBJCOPY} -I binary -O elf32-littlearm -B arm font.png ${CMAKE_BINARY_DIR}/font.o WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/res)
 
-set(PLATFORM_LIBRARY -lvita2d -lSceCtrl_stub -lSceRtc_stub -lSceGxm_stub -lSceDisplay_stub -lSceAudio_stub -lpng -lz -lm)
+set(PLATFORM_LIBRARY -lvita2d -lSceCtrl_stub -lSceRtc_stub -lSceGxm_stub -lSceDisplay_stub -lSceAudio_stub -lpng -lz -l${M_LIBRARY})
 
 add_executable(${BINARY_NAME}.elf ${PLATFORM_SRC} ${GUI_SRC} ${CMAKE_BINARY_DIR}/font.o)
 target_link_libraries(${BINARY_NAME}.elf ${BINARY_NAME} ${PLATFORM_LIBRARY})
diff --git a/src/platform/psp2/CMakeToolchain.psp2sdk b/src/platform/psp2/CMakeToolchain.psp2sdk
index 8c57f4c60..e740124a9 100644
--- a/src/platform/psp2/CMakeToolchain.psp2sdk
+++ b/src/platform/psp2/CMakeToolchain.psp2sdk
@@ -49,5 +49,6 @@ set(OBJCOPY ${cross_prefix}objcopy)
 
 set(PSP2 ON)
 add_definitions(-DPSP2)
+set(M_LIBRARY m_stub)
 
 set(CMAKE_C_COMPILER_WORKS 1) # Skip test
diff --git a/src/platform/psp2/CMakeToolchain.vitasdk b/src/platform/psp2/CMakeToolchain.vitasdk
index 677a3cf14..98dc1dc58 100644
--- a/src/platform/psp2/CMakeToolchain.vitasdk
+++ b/src/platform/psp2/CMakeToolchain.vitasdk
@@ -35,3 +35,4 @@ set(NIDDB ${VITASDK}/db.json)
 
 set(PSP2 ON)
 add_definitions(-DPSP2)
+set(M_LIBRARY m)