diff --git a/samples/wrapper/wrapper.cpp b/samples/wrapper/wrapper.cpp
index 7e6d8e3645..d74b79dff5 100644
--- a/samples/wrapper/wrapper.cpp
+++ b/samples/wrapper/wrapper.cpp
@@ -39,9 +39,9 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <unistd.h>
-#include "procinfo.h"
 #endif
 
+#include "procinfo.h"
 #include "boinc_api.h"
 #include "diagnostics.h"
 #include "filesys.h"
diff --git a/win_build/libboinc.vcproj b/win_build/libboinc.vcproj
index 3c16141f21..e82dc1f260 100644
--- a/win_build/libboinc.vcproj
+++ b/win_build/libboinc.vcproj
@@ -1000,6 +1000,10 @@
 				RelativePath="..\lib\proc_control.cpp"
 				>
 			</File>
+			<File
+				RelativePath="..\lib\procinfo.cpp"
+				>
+			</File>
 			<File
 				RelativePath="..\lib\proxy_info.cpp"
 				>
diff --git a/win_build/libboinc_staticcrt.vcproj b/win_build/libboinc_staticcrt.vcproj
index b8488e1331..4cf52987b4 100644
--- a/win_build/libboinc_staticcrt.vcproj
+++ b/win_build/libboinc_staticcrt.vcproj
@@ -828,6 +828,14 @@
 				RelativePath="..\lib\proc_control.cpp"
 				>
 			</File>
+			<File
+				RelativePath="..\lib\procinfo.cpp"
+				>
+			</File>
+			<File
+				RelativePath="..\lib\procinfo_win.cpp"
+				>
+			</File>
 			<File
 				RelativePath="..\lib\proxy_info.cpp"
 				>