diff --git a/source/Cosmos.Build.Tasks/tools/cygwin/win/objdump.bat b/source/Cosmos.Build.Tasks/tools/cygwin/win/objdump.bat
index f1272ebc2..cfd7d0b98 100644
--- a/source/Cosmos.Build.Tasks/tools/cygwin/win/objdump.bat
+++ b/source/Cosmos.Build.Tasks/tools/cygwin/win/objdump.bat
@@ -4,4 +4,4 @@ REM %1 == ToolPath
 REM %2 == ElfFile
 REM %3 == MapFile
 
-"%1\objdump.exe" --wide --syms "%2" > "%3"
+"%~1\objdump.exe" --wide --syms "%~2" > "%~3"