diff --git a/ChocolArm64/Instructions/InstEmitMemoryHelper.cs b/ChocolArm64/Instructions/InstEmitMemoryHelper.cs
index 7ee5bf5f5a..9625f2a9c4 100644
--- a/ChocolArm64/Instructions/InstEmitMemoryHelper.cs
+++ b/ChocolArm64/Instructions/InstEmitMemoryHelper.cs
@@ -283,9 +283,18 @@ namespace ChocolArm64.Instructions
 
             switch (size)
             {
-                case 2: context.EmitCall(typeof(Sse),  nameof(Sse.StoreScalar));  break;
-                case 3: context.EmitCall(typeof(Sse2), nameof(Sse2.StoreScalar)); break;
-                case 4: context.EmitCall(typeof(Sse),  nameof(Sse.StoreAligned)); break;
+                case 2: context.EmitCall(typeof(Sse), nameof(Sse.StoreScalar));  break;
+
+                case 3:
+                {
+                    VectorHelper.EmitCall(context, nameof(VectorHelper.VectorSingleToDouble));
+
+                    context.EmitCall(typeof(Sse2), nameof(Sse2.StoreScalar));
+
+                    break;
+                }
+
+                case 4: context.EmitCall(typeof(Sse), nameof(Sse.StoreAligned)); break;
 
                 default: throw new InvalidOperationException($"Invalid vector store size of {1 << size} bytes.");
             }