diff --git a/OpenSpades.h.in b/OpenSpades.h.in
index 8ba817c0..229b6f6f 100644
--- a/OpenSpades.h.in
+++ b/OpenSpades.h.in
@@ -20,3 +20,6 @@
 
 #cmakedefine RESDIR_DEFINED
 #define RESDIR "${RESDIR}"
+
+#define CMAKE_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}"
+#define OPENSPADES_INSTALL_RESOURCES "${OPENSPADES_INSTALL_RESOURCES}"
diff --git a/Sources/Gui/Main.cpp b/Sources/Gui/Main.cpp
index 97167269..2dd7f7a6 100644
--- a/Sources/Gui/Main.cpp
+++ b/Sources/Gui/Main.cpp
@@ -389,12 +389,7 @@ int main(int argc, char ** argv)
 		spades::FileManager::AddFileSystem
 		(new spades::DirectoryFileSystem("./Resources", false));
 
-		spades::FileManager::AddFileSystem
-		(new spades::DirectoryFileSystem("/usr/local/share/games/openspades/Resources", false));
-
-		spades::FileManager::AddFileSystem
-		(new spades::DirectoryFileSystem("/usr/share/games/openspades/Resources", false));
-
+		spades::FileManager::AddFileSystem(new spades::DirectoryFileSystem(CMAKE_INSTALL_PREFIX "/" OPENSPADES_INSTALL_RESOURCES, false));
 
 		std::string xdg_data_home = home+"/.local/share";
 
@@ -480,7 +475,7 @@ int main(int argc, char ** argv)
 		}
 
 		// register resource directory specified by Makefile (or something)
-#if defined(RESDIR_DEFINED) && !NDEBUG
+#if defined(RESDIR_DEFINED)
 		spades::FileManager::AddFileSystem(new spades::DirectoryFileSystem(RESDIR, false));
 #endif