diff --git a/checkin_notes b/checkin_notes
index 9ff55b4198..39599658e5 100644
--- a/checkin_notes
+++ b/checkin_notes
@@ -1766,3 +1766,10 @@ Charlie 20 Feb 2009
         screensaver.cpp,.h
         screensaver_win.cpp,.h
         ss_app.cpp
+
+Charlie 20 Feb 2009
+    - lib: Fix build break on Windows.
+
+    win_build/
+        libboinc.vcproj
+        libboinc_staticcrt.vcproj
diff --git a/win_build/libboinc.vcproj b/win_build/libboinc.vcproj
index 0d68647cee..06edaad588 100644
--- a/win_build/libboinc.vcproj
+++ b/win_build/libboinc.vcproj
@@ -191,7 +191,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="../;../win_build;../lib;../api;../openssl/include"
+				AdditionalIncludeDirectories="../;../win_build;../lib;../api;../openssl/include;../coprocs/cuda/include"
 				PreprocessorDefinitions="_WIN32;WIN32;_MT;_DLL;NDEBUG;_LIB_WIN32;_WINDOWS;_CONSOLE;HAVE_STD_MAX;HAVE_STD_MIN;HAVE_STD_TRANSFORM;CLIENT;BOINC_APP_GRAPHICS"
 				RuntimeLibrary="0"
 				FloatingPointModel="2"
diff --git a/win_build/libboinc_staticcrt.vcproj b/win_build/libboinc_staticcrt.vcproj
index 01ff0a6211..c8487c5737 100644
--- a/win_build/libboinc_staticcrt.vcproj
+++ b/win_build/libboinc_staticcrt.vcproj
@@ -191,7 +191,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="../;../win_build;../lib;../api;../openssl/include"
+				AdditionalIncludeDirectories="../;../win_build;../lib;../api;../openssl/include;../coprocs/cuda/include"
 				PreprocessorDefinitions="_WIN32;WIN32;_MT;NDEBUG;_LIB_WIN32;_WINDOWS;_CONSOLE;HAVE_STD_MAX;HAVE_STD_MIN;HAVE_STD_TRANSFORM;CLIENT;BOINC_APP_GRAPHICS"
 				RuntimeLibrary="0"
 				FloatingPointModel="2"