diff --git a/src/scripting/vm/jit_load.cpp b/src/scripting/vm/jit_load.cpp
index e8864af5c..5f0b8d52f 100644
--- a/src/scripting/vm/jit_load.cpp
+++ b/src/scripting/vm/jit_load.cpp
@@ -172,13 +172,15 @@ void JitCompiler::EmitLHU_R()
 void JitCompiler::EmitLSP()
 {
 	EmitNullPointerThrow(B, X_READ_NIL);
-	cc.movss(regF[A], asmjit::x86::dword_ptr(regA[B], konstd[C]));
+	cc.xorpd(regF[A], regF[A]);
+	cc.cvtss2sd(regF[A], asmjit::x86::dword_ptr(regA[B], konstd[C]));
 }
 
 void JitCompiler::EmitLSP_R()
 {
 	EmitNullPointerThrow(B, X_READ_NIL);
-	cc.movss(regF[A], asmjit::x86::dword_ptr(regA[B], regD[C]));
+	cc.xorpd(regF[A], regF[A]);
+	cc.cvtss2sd(regF[A], asmjit::x86::dword_ptr(regA[B], regD[C]));
 }
 
 void JitCompiler::EmitLDP()
diff --git a/src/scripting/vm/jit_store.cpp b/src/scripting/vm/jit_store.cpp
index 3ae500a1a..c1d739f0f 100644
--- a/src/scripting/vm/jit_store.cpp
+++ b/src/scripting/vm/jit_store.cpp
@@ -40,13 +40,19 @@ void JitCompiler::EmitSW_R()
 void JitCompiler::EmitSSP()
 {
 	EmitNullPointerThrow(A, X_WRITE_NIL);
-	cc.movss(asmjit::x86::dword_ptr(regA[A], konstd[C]), regF[B]);
+	auto tmp = newTempXmmSd();
+	cc.xorpd(tmp, tmp);
+	cc.cvtsd2ss(tmp, regF[B]);
+	cc.movss(asmjit::x86::dword_ptr(regA[A], konstd[C]), tmp);
 }
 
 void JitCompiler::EmitSSP_R()
 {
 	EmitNullPointerThrow(A, X_WRITE_NIL);
-	cc.movss(asmjit::x86::dword_ptr(regA[A], regD[C]), regF[B]);
+	auto tmp = newTempXmmSd();
+	cc.xorpd(tmp, tmp);
+	cc.cvtsd2ss(tmp, regF[B]);
+	cc.movss(asmjit::x86::dword_ptr(regA[A], regD[C]), tmp);
 }
 
 void JitCompiler::EmitSDP()