diff --git a/src/coreclr/tools/Common/Compiler/CompilerTypeSystemContext.cs b/src/coreclr/tools/Common/Compiler/CompilerTypeSystemContext.cs
index 21a1a0307e6c0..e708130f6fc36 100644
--- a/src/coreclr/tools/Common/Compiler/CompilerTypeSystemContext.cs
+++ b/src/coreclr/tools/Common/Compiler/CompilerTypeSystemContext.cs
@@ -184,8 +184,6 @@ public static unsafe PEReader OpenPEFile(string filePath, out MemoryMappedViewAc
 
         private EcmaModule AddModule(string filePath, string expectedSimpleName, bool useForBinding, ModuleData oldModuleData = null, bool throwOnFailureToLoad = true)
         {
-            filePath = Path.GetFullPath(filePath);
-
             PEReader peReader = null;
             MemoryMappedViewAccessor mappedViewAccessor = null;
             PdbSymbolReader pdbReader = null;
@@ -193,6 +191,7 @@ private EcmaModule AddModule(string filePath, string expectedSimpleName, bool us
             {
                 if (oldModuleData == null)
                 {
+                    filePath = Path.GetFullPath(filePath);
                     peReader = OpenPEFile(filePath, out mappedViewAccessor);
 
 #if !READYTORUN