diff -ru performous-1.0.orig/game/CMakeLists.txt performous-1.0/game/CMakeLists.txt
--- performous-1.0.orig/game/CMakeLists.txt	2014-10-28 19:11:45.000000000 -0400
+++ performous-1.0/game/CMakeLists.txt	2015-03-31 03:01:30.806061643 -0400
@@ -141,7 +141,7 @@
 	set(BIN_INSTALL .)  # Straight to Program Files/Performous with no bin subfolder.
 	set(SUBSYSTEM_WIN32 WIN32)
 else()
-	set(BIN_INSTALL bin)
+	set(BIN_INSTALL @GENTOO_BINDIR@)
 endif()
 
 # Build main executable