diff --git a/common/windows/delphi/Makefile b/common/windows/delphi/Makefile
index 12b27ee97f..2a8258f07b 100644
--- a/common/windows/delphi/Makefile
+++ b/common/windows/delphi/Makefile
@@ -4,6 +4,6 @@ global-versions:
 # Build our root version.txt; TODO: replace with build.sh deps
     cd $(KEYMAN_ROOT)\common\windows
     $(MKVER_U) $(KEYMAN_ROOT)\common\windows\delphi\general\keymanversion_build.in $(KEYMAN_ROOT)\common\windows\delphi\general\keymanversion_build.inc
-    $(GIT_BASH_FOR_KEYMAN) $(KEYMAN_ROOT)\common\include\build.sh clean configure build
+    $(GIT_BASH_FOR_KEYMAN) $(KEYMAN_ROOT)/common/include/build.sh clean configure build
 
-!include Target.mak
+!include Target.mak
\ No newline at end of file