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-rw-r--r--gnu/packages/games.scm3
1 files changed, 2 insertions, 1 deletions
diff --git a/gnu/packages/games.scm b/gnu/packages/games.scm
index a102dc962f..b6a63aba02 100644
--- a/gnu/packages/games.scm
+++ b/gnu/packages/games.scm
@@ -4981,7 +4981,8 @@ Crowther & Woods, its original authors, in 1995.  It has been known as
                     (lambda* (#:key inputs #:allow-other-keys)
                       (setenv "CPATH"
                               (string-append (assoc-ref inputs "sdl-union")
-                                             "/include/SDL2"))
+                                             "/include/SDL2:"
+                                             (getenv "CPATH")))
                       #t))
                   (delete 'check)
                   ;; premake doesn't provide install target