diff --git a/rpcs3/Emu/Cell/PPUInterpreter.cpp b/rpcs3/Emu/Cell/PPUInterpreter.cpp
index 71faea4458..72b9844b7d 100644
--- a/rpcs3/Emu/Cell/PPUInterpreter.cpp
+++ b/rpcs3/Emu/Cell/PPUInterpreter.cpp
@@ -4662,7 +4662,7 @@ bool ppu_interpreter::FNMSUBS(ppu_thread& ppu, ppu_opcode_t op)
 
 bool ppu_interpreter::FNMADDS(ppu_thread& ppu, ppu_opcode_t op)
 {
-	ppu.fpr[op.frd] = f32(-(ppu.fpr[op.fra] * ppu.fpr[op.frc]) - ppu.fpr[op.frb]);
+	ppu.fpr[op.frd] = f32(-(ppu.fpr[op.fra] * ppu.fpr[op.frc] + ppu.fpr[op.frb]));
 	if (UNLIKELY(op.rc)) fmt::throw_exception("%s: op.rc", __func__); //ppu_cr_set(ppu, 1, ppu.fpscr.fg, ppu.fpscr.fl, ppu.fpscr.fe, ppu.fpscr.fu);
 	return true;
 }
@@ -4815,7 +4815,7 @@ bool ppu_interpreter::FNMSUB(ppu_thread& ppu, ppu_opcode_t op)
 
 bool ppu_interpreter::FNMADD(ppu_thread& ppu, ppu_opcode_t op)
 {
-	ppu.fpr[op.frd] = -(ppu.fpr[op.fra] * ppu.fpr[op.frc]) - ppu.fpr[op.frb];
+	ppu.fpr[op.frd] = -(ppu.fpr[op.fra] * ppu.fpr[op.frc] + ppu.fpr[op.frb]);
 	if (UNLIKELY(op.rc)) fmt::throw_exception("%s: op.rc", __func__); //ppu_cr_set(ppu, 1, ppu.fpscr.fg, ppu.fpscr.fl, ppu.fpscr.fe, ppu.fpscr.fu);
 	return true;
 }