diff --git a/.github/workflows/build-keytools-windows.yml b/.github/workflows/build-keytools-windows.yml
index 31e3e77b..40886387 100644
--- a/.github/workflows/build-keytools-windows.yml
+++ b/.github/workflows/build-keytools-windows.yml
@@ -26,7 +26,8 @@ jobs:
     - name: Build Solution
       shell: cmd
       run: |
-        MSBuild.exe tools\keytools\wolfBootKeyTools.sln /p:Configuration=Release /p:Platform="x64"
+        echo "#define WOLFBOOT_SECTOR_SIZE 1024" > include/target.h
+        MSBuild.exe tools\keytools\wolfBootKeyTools.sln /m /p:Configuration=Release /p:Platform="x64"
 
     # Step 4: Upload executables as artifacts
     - name: Upload EXE Artifacts
diff --git a/include/delta.h b/include/delta.h
index b2b69a8c..6a16068c 100644
--- a/include/delta.h
+++ b/include/delta.h
@@ -35,6 +35,8 @@
 #ifndef WOLFBOOT_DELTA_H
 #define WOLFBOOT_DELTA_H
 
+#include <stdint.h>
+
 #ifndef DELTA_PATCH_BLOCK_SIZE
 #define DELTA_PATCH_BLOCK_SIZE 1024
 #endif
diff --git a/src/delta.c b/src/delta.c
index 503a0a8a..20136049 100644
--- a/src/delta.c
+++ b/src/delta.c
@@ -22,6 +22,7 @@
 #include <stdint.h>
 #include <string.h>
 #include <delta.h>
+#include <target.h> /* WOLFBOOT_SECTOR_SIZE */
 
 
 #define ESC 0x7f