diff --git a/gnu/packages/video.scm b/gnu/packages/video.scm
index f02947a8846..a84d8ac94fe 100644
--- a/gnu/packages/video.scm
+++ b/gnu/packages/video.scm
@@ -737,6 +737,7 @@ touchscreen devices and the ability to apply filters to their input events.")
      `(#:test-target "test"
        #:make-flags
        (list
+        "CC=gcc -g -O2 -Wno-error=implicit-function-declaration"
         (string-append "A52DIR=" (assoc-ref %build-inputs "liba52"))
         (string-append "DST=" (assoc-ref %outputs "out") "/bin"))
      #:phases