diff --git a/src/audio/SDL_audioresample.c b/src/audio/SDL_audioresample.c
index 0e63cf370..e88c7d771 100644
--- a/src/audio/SDL_audioresample.c
+++ b/src/audio/SDL_audioresample.c
@@ -447,7 +447,7 @@ static float Sinc(float *table, int x, int y)
     return (s * y) / x;
 }
 
-Cubic ResamplerFilter[RESAMPLER_SAMPLES_PER_ZERO_CROSSING][RESAMPLER_SAMPLES_PER_FRAME];
+static Cubic ResamplerFilter[RESAMPLER_SAMPLES_PER_ZERO_CROSSING][RESAMPLER_SAMPLES_PER_FRAME];
 
 static void GenerateResamplerFilter()
 {