diff --git a/src/coreclr/jit/lsrabuild.cpp b/src/coreclr/jit/lsrabuild.cpp
index d90320db3b3e0..8adb111ebc88b 100644
--- a/src/coreclr/jit/lsrabuild.cpp
+++ b/src/coreclr/jit/lsrabuild.cpp
@@ -3524,11 +3524,11 @@ int LinearScan::BuildStoreLoc(GenTreeLclVarCommon* storeLoc)
     else if (op1->isContained() && op1->OperIs(GT_BITCAST))
     {
         GenTree*     bitCastSrc   = op1->gtGetOp1();
-        RegisterType registerType = bitCastSrc->TypeGet();
+        RegisterType registerType = regType(bitCastSrc->TypeGet());
         singleUseRef              = BuildUse(bitCastSrc, allRegs(registerType));
 
         Interval* srcInterval = singleUseRef->getInterval();
-        assert(srcInterval->registerType == registerType);
+        assert(regType(srcInterval->registerType) == registerType);
         srcCount = 1;
     }
 #ifndef TARGET_64BIT
diff --git a/src/tests/JIT/Regression/JitBlue/Runtime_74373/Runtime_73821.cs b/src/tests/JIT/Regression/JitBlue/Runtime_74373/Runtime_73821.cs
new file mode 100644
index 0000000000000..c06276960e107
--- /dev/null
+++ b/src/tests/JIT/Regression/JitBlue/Runtime_74373/Runtime_73821.cs
@@ -0,0 +1,29 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+public class _74373
+{
+    public static int Main(string[] args)
+    {
+        Problem(10);
+        return 100;
+    }
+
+    [MethodImpl(MethodImplOptions.NoInlining)]
+    private static unsafe float Problem(long x)
+    {
+        var y = BitConverter.Int32BitsToSingle((int)x);
+        Use(&x);
+        JitUse(0);
+        return y;
+    }
+
+    public static unsafe void Use(long* arg) { }
+
+    [MethodImpl(MethodImplOptions.NoInlining)]
+    public static void JitUse<T>(T arg) { }
+}
\ No newline at end of file
diff --git a/src/tests/JIT/Regression/JitBlue/Runtime_74373/Runtime_73821.csproj b/src/tests/JIT/Regression/JitBlue/Runtime_74373/Runtime_73821.csproj
new file mode 100644
index 0000000000000..cf94135633b19
--- /dev/null
+++ b/src/tests/JIT/Regression/JitBlue/Runtime_74373/Runtime_73821.csproj
@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <Optimize>True</Optimize>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="$(MSBuildProjectName).cs" />
+  </ItemGroup>
+</Project>
\ No newline at end of file