diff --git a/DebugUtils/CMakeLists.txt b/DebugUtils/CMakeLists.txt
index b04e67d..a3cd799 100644
--- a/DebugUtils/CMakeLists.txt
+++ b/DebugUtils/CMakeLists.txt
@@ -35,5 +35,5 @@ file(GLOB INCLUDES Include/*.h)
 install(FILES ${INCLUDES} DESTINATION
     ${CMAKE_INSTALL_INCLUDEDIR}/recastnavigation)
 if(MSVC)
-    install(FILES "$<TARGET_FILE_DIR:DebugUtils>/DebugUtils-d.pdb" CONFIGURATIONS "Debug" DESTINATION "lib")
+    install(FILES "$<TARGET_FILE_DIR:DebugUtils>/DebugUtils-d.pdb" CONFIGURATIONS "Debug" DESTINATION "lib" OPTIONAL)
 endif()
diff --git a/Detour/CMakeLists.txt b/Detour/CMakeLists.txt
index 0c12683..57ebd5a 100644
--- a/Detour/CMakeLists.txt
+++ b/Detour/CMakeLists.txt
@@ -29,5 +29,5 @@ file(GLOB INCLUDES Include/*.h)
 install(FILES ${INCLUDES} DESTINATION
     ${CMAKE_INSTALL_INCLUDEDIR}/recastnavigation)
 if(MSVC)
-    install(FILES "$<TARGET_FILE_DIR:Detour>/Detour-d.pdb" CONFIGURATIONS "Debug" DESTINATION "lib")
+    install(FILES "$<TARGET_FILE_DIR:Detour>/Detour-d.pdb" CONFIGURATIONS "Debug" DESTINATION "lib" OPTIONAL)
 endif()
diff --git a/DetourCrowd/CMakeLists.txt b/DetourCrowd/CMakeLists.txt
index 6ecd0dd..214cb4c 100644
--- a/DetourCrowd/CMakeLists.txt
+++ b/DetourCrowd/CMakeLists.txt
@@ -33,5 +33,5 @@ file(GLOB INCLUDES Include/*.h)
 install(FILES ${INCLUDES} DESTINATION
     ${CMAKE_INSTALL_INCLUDEDIR}/recastnavigation)
 if(MSVC)
-    install(FILES "$<TARGET_FILE_DIR:DetourCrowd>/DetourCrowd-d.pdb" CONFIGURATIONS "Debug" DESTINATION "lib")
+    install(FILES "$<TARGET_FILE_DIR:DetourCrowd>/DetourCrowd-d.pdb" CONFIGURATIONS "Debug" DESTINATION "lib" OPTIONAL)
 endif()
diff --git a/DetourTileCache/CMakeLists.txt b/DetourTileCache/CMakeLists.txt
index fcd23d5..e9cd3ed 100644
--- a/DetourTileCache/CMakeLists.txt
+++ b/DetourTileCache/CMakeLists.txt
@@ -34,5 +34,5 @@ file(GLOB INCLUDES Include/*.h)
 install(FILES ${INCLUDES} DESTINATION
     ${CMAKE_INSTALL_INCLUDEDIR}/recastnavigation)
 if(MSVC)
-    install(FILES "$<TARGET_FILE_DIR:DetourTileCache>/DetourTileCache-d.pdb" CONFIGURATIONS "Debug" DESTINATION "lib")
+    install(FILES "$<TARGET_FILE_DIR:DetourTileCache>/DetourTileCache-d.pdb" CONFIGURATIONS "Debug" DESTINATION "lib" OPTIONAL)
 endif()
diff --git a/Recast/CMakeLists.txt b/Recast/CMakeLists.txt
index 001430b..75a6939 100644
--- a/Recast/CMakeLists.txt
+++ b/Recast/CMakeLists.txt
@@ -29,5 +29,5 @@ file(GLOB INCLUDES Include/*.h)
 install(FILES ${INCLUDES} DESTINATION
     ${CMAKE_INSTALL_INCLUDEDIR}/recastnavigation)
 if(MSVC)
-    install(FILES "$<TARGET_FILE_DIR:Recast>/Recast-d.pdb" CONFIGURATIONS "Debug" DESTINATION "lib")
+    install(FILES "$<TARGET_FILE_DIR:Recast>/Recast-d.pdb" CONFIGURATIONS "Debug" DESTINATION "lib" OPTIONAL)
 endif()