diff --git a/projects/checksrc.bat b/projects/checksrc.bat
index fecfb5bd6..719a1100e 100644
--- a/projects/checksrc.bat
+++ b/projects/checksrc.bat
@@ -27,6 +27,8 @@ rem ***************************************************************************
 
   rem Set our variables
   setlocal
+  set CHECK_LIB=TRUE
+  set CHECK_SRC=TRUE
 
 :parseArgs
   if "%~1" == "" goto prerequisites
@@ -37,6 +39,12 @@ rem ***************************************************************************
     goto syntax
   ) else if /i "%~1" == "-help" (
     goto syntax
+  ) else if /i "%~1" == "lib" (
+    set CHECK_LIB=TRUE
+    set CHECK_SRC=FALSE
+  ) else if /i "%~1" == "src" (
+    set CHECK_LIB=FALSE
+    set CHECK_SRC=TRUE
   ) else (
     if not defined SRC_DIR (
       set SRC_DIR=%~1%
@@ -68,22 +76,26 @@ rem ***************************************************************************
   if not exist "%SRC_DIR%" goto nosrc
 
 :start
-  rem Check the src directory
-  if exist %SRC_DIR%\src (
-    for /f "delims=" %%i in ('dir "%SRC_DIR%\src\*.c.*" /b 2^>NUL') do @perl "%SRC_DIR%\lib\checksrc.pl" "-D%SRC_DIR%\src" -Wtool_hugehelp.c "%%i"
-    for /f "delims=" %%i in ('dir "%SRC_DIR%\src\*.h.*" /b 2^>NUL') do @perl "%SRC_DIR%\lib\checksrc.pl" "-D%SRC_DIR%\src" "%%i"
+  if "%CHECK_SRC%" == "TRUE" (
+    rem Check the src directory
+    if exist %SRC_DIR%\src (
+      for /f "delims=" %%i in ('dir "%SRC_DIR%\src\*.c.*" /b 2^>NUL') do @perl "%SRC_DIR%\lib\checksrc.pl" "-D%SRC_DIR%\src" -Wtool_hugehelp.c "%%i"
+      for /f "delims=" %%i in ('dir "%SRC_DIR%\src\*.h.*" /b 2^>NUL') do @perl "%SRC_DIR%\lib\checksrc.pl" "-D%SRC_DIR%\src" "%%i"
+    )
   )
 
-  rem Check the lib directory
-  if exist %SRC_DIR%\lib (
-    for /f "delims=" %%i in ('dir "%SRC_DIR%\lib\*.c.*" /b 2^>NUL') do @perl "%SRC_DIR%\lib\checksrc.pl" "-D%SRC_DIR%\lib" "%%i"
-    for /f "delims=" %%i in ('dir "%SRC_DIR%\lib\*.h.*" /b 2^>NUL') do @perl "%SRC_DIR%\lib\checksrc.pl" "-D%SRC_DIR%\lib" -Wcurl_config.h.cmake "%%i"
-  )
+  if "%CHECK_LIB%" == "TRUE" (
+    rem Check the lib directory
+    if exist %SRC_DIR%\lib (
+      for /f "delims=" %%i in ('dir "%SRC_DIR%\lib\*.c.*" /b 2^>NUL') do @perl "%SRC_DIR%\lib\checksrc.pl" "-D%SRC_DIR%\lib" "%%i"
+      for /f "delims=" %%i in ('dir "%SRC_DIR%\lib\*.h.*" /b 2^>NUL') do @perl "%SRC_DIR%\lib\checksrc.pl" "-D%SRC_DIR%\lib" -Wcurl_config.h.cmake "%%i"
+    )
 
-  rem Check the lib\vtls directory
-  if exist %SRC_DIR%\lib\vtls (
-    for /f "delims=" %%i in ('dir "%SRC_DIR%\lib\vtls\*.c.*" /b 2^>NUL') do @perl "%SRC_DIR%\lib\checksrc.pl" "-D%SRC_DIR%\lib\vtls" "%%i"
-    for /f "delims=" %%i in ('dir "%SRC_DIR%\lib\vtls\*.h.*" /b 2^>NUL') do @perl "%SRC_DIR%\lib\checksrc.pl" "-D%SRC_DIR%\lib\vtls" "%%i"
+    rem Check the lib\vtls directory
+    if exist %SRC_DIR%\lib\vtls (
+      for /f "delims=" %%i in ('dir "%SRC_DIR%\lib\vtls\*.c.*" /b 2^>NUL') do @perl "%SRC_DIR%\lib\checksrc.pl" "-D%SRC_DIR%\lib\vtls" "%%i"
+      for /f "delims=" %%i in ('dir "%SRC_DIR%\lib\vtls\*.h.*" /b 2^>NUL') do @perl "%SRC_DIR%\lib\checksrc.pl" "-D%SRC_DIR%\lib\vtls" "%%i"
+    )
   )
 
   goto success
@@ -91,7 +103,12 @@ rem ***************************************************************************
 :syntax
   rem Display the help
   echo.
-  echo Usage: checksrc [directory]
+  echo Usage: checksrc [product] [directory]
+  echo.
+  echo Product:
+  echo.
+  echo lib       - Scan the libcurl source
+  echo src       - Scan the command-line tool source
   echo.
   echo directory - Specifies the curl source directory
   goto success