diff --git a/client/CMakeLists.txt b/client/CMakeLists.txt
index d84f192d..8391d5b8 100644
--- a/client/CMakeLists.txt
+++ b/client/CMakeLists.txt
@@ -59,7 +59,7 @@ get_filename_component(PROJECT_TOP "${PROJECT_SOURCE_DIR}/.." ABSOLUTE)
 add_custom_command(
 	OUTPUT	${CMAKE_BINARY_DIR}/version.c
 		${CMAKE_BINARY_DIR}/_version.c
-	COMMAND	${CMAKE_COMMAND} -P
+	COMMAND ${CMAKE_COMMAND} -D PROJECT_TOP=${PROJECT_TOP} -P
 		${PROJECT_TOP}/version.cmake
 )
 
diff --git a/host/CMakeLists.txt b/host/CMakeLists.txt
index 061d1bf7..be1f04a2 100644
--- a/host/CMakeLists.txt
+++ b/host/CMakeLists.txt
@@ -33,7 +33,7 @@ get_filename_component(PROJECT_TOP "${PROJECT_SOURCE_DIR}/.." ABSOLUTE)
 add_custom_command(
 	OUTPUT	${CMAKE_BINARY_DIR}/version.c
 		${CMAKE_BINARY_DIR}/_version.c
-	COMMAND	${CMAKE_COMMAND} -P
+	COMMAND ${CMAKE_COMMAND} -D PROJECT_TOP=${PROJECT_TOP} -P
 		${PROJECT_TOP}/version.cmake
 )
 
diff --git a/host/platform/Windows/installer.nsi b/host/platform/Windows/installer.nsi
index fe383faa..6fb4e0fe 100644
--- a/host/platform/Windows/installer.nsi
+++ b/host/platform/Windows/installer.nsi
@@ -134,7 +134,7 @@ Section "-Install" Section1
   WriteRegDWORD HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\Looking Glass (host)" \
   "NoModify" "1"
   WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\Looking Glass (host)" \
-    "DisplayVersion" ${VERSION}
+  "DisplayVersion" ${VERSION}
 
 SectionEnd
 
diff --git a/obs/CMakeLists.txt b/obs/CMakeLists.txt
index 49baf2fc..550b6fc2 100644
--- a/obs/CMakeLists.txt
+++ b/obs/CMakeLists.txt
@@ -38,7 +38,7 @@ get_filename_component(PROJECT_TOP "${PROJECT_SOURCE_DIR}/.." ABSOLUTE)
 add_custom_command(
 	OUTPUT	${CMAKE_BINARY_DIR}/version.c
 		${CMAKE_BINARY_DIR}/_version.c
-	COMMAND	${CMAKE_COMMAND} -P
+	COMMAND ${CMAKE_COMMAND} -D PROJECT_TOP=${PROJECT_TOP} -P
 		${PROJECT_TOP}/version.cmake
 )