diff --git a/build_linux_premake.sh b/build_linux_premake.sh
index d12867f5..4a22bc3a 100644
--- a/build_linux_premake.sh
+++ b/build_linux_premake.sh
@@ -4,6 +4,7 @@ function help_page () {
   echo "./$(basename "$0") [switches]"
   echo "switches:"
   echo "  --deps: rebuild third-party dependencies"
+  echo "  --nogen: don't regenerate build files"
   echo "  --help: show this page"
 }
 
@@ -12,10 +13,13 @@ build_threads="$(( $(getconf _NPROCESSORS_ONLN 2>/dev/null || echo 0) * 70 / 100
 [[ $build_threads -lt 2 ]] && build_threads=2
 
 BUILD_DEPS=0
+GEN_PROJECT=1
 for (( i=1; i<=$#; ++i )); do
   arg="${!i}"
   if [[ "$arg" = "--deps" ]]; then
     BUILD_DEPS=1
+  elif [[ "$arg" = "--nogen" ]]; then
+    GEN_PROJECT=0
   elif [[ "$arg" = "--help" ]]; then
     help_page
     exit 0
@@ -40,9 +44,11 @@ if [[ $BUILD_DEPS = 1 ]]; then
   }
 fi
 
-"$premake_exe" --genproto --os=linux gmake2 || {
-  exit 1;
-}
+if [[ $GEN_PROJECT = 1 ]]; then
+  "$premake_exe" --genproto --os=linux gmake2 || {
+    exit 1;
+  }
+fi
 
 pushd ./"build/project/gmake2/linux"
 
diff --git a/build_win_premake.bat b/build_win_premake.bat
index a9954be9..9968af8b 100644
--- a/build_win_premake.bat
+++ b/build_win_premake.bat
@@ -12,12 +12,15 @@ if defined NUMBER_OF_PROCESSORS (
 )
 
 set /a "BUILD_DEPS=0"
+set /a "GEN_PROJECT=1"
 
 :args_loop
   if "%~1" equ "" (
     goto :args_loop_end
   ) else if "%~1" equ "--deps" (
     set /a "BUILD_DEPS=1"
+  ) else if "%~1" equ "--nogen" (
+    set /a "GEN_PROJECT=0"
   ) else if "%~1" equ "--help" (
     goto :help_page
   ) else (
@@ -63,9 +66,13 @@ set /a "BUILD_DEPS=0"
   )
 
   :: create .sln
+  if %GEN_PROJECT% equ 0 (
+    goto :gen_project_end
+  )
   call "%PREMAKE_EXE%" --file="premake5.lua" --genproto --dosstub --winrsrc --winsign --os=windows vs2022 || (
     goto :end_script_with_err
   )
+:gen_project_end
 
   :: check .sln
   set "SLN_FILE=build\project\vs2022\win\gbe.sln"
@@ -108,5 +115,6 @@ set /a "BUILD_DEPS=0"
   echo:"%~nx0" [switches]
   echo:switches:
   echo:  --deps: rebuild third-party dependencies
+  echo:  --nogen: don't regenerate build files
   echo:  --help: show this page
   goto :end_script