diff --git a/src/core/libraries/libc_internal/libc_internal_math.cpp b/src/core/libraries/libc_internal/libc_internal_math.cpp
index 781f1f729..17f971d26 100644
--- a/src/core/libraries/libc_internal/libc_internal_math.cpp
+++ b/src/core/libraries/libc_internal/libc_internal_math.cpp
@@ -566,7 +566,7 @@ s32 PS4_SYSV_ABI internal_tanl() {
     return ORBIS_OK;
 }
 
-float PS4_SYSV_ABI internal__Fsin(float arg, unsigned int m, int n) {
+float PS4_SYSV_ABI internal__FSin(float arg, unsigned int m, int n) {
     ASSERT(n == 0);
     if (m != 0) {
         return cosf(arg);