diff --git a/src/gfx.c b/src/gfx.c
index a376fa6..306a4cb 100644
--- a/src/gfx.c
+++ b/src/gfx.c
@@ -224,7 +224,7 @@ GLuint createNoiseTexture(int width, int height)
     int length = width*height*channels;
     printf("generating %d random floats\n", length);
 
-    float data[width*height*channels];
+    float* data = (float*)malloc(length*sizeof(float));
 
     for (int i = 0; i < length; i++)
     {
@@ -235,6 +235,8 @@ GLuint createNoiseTexture(int width, int height)
     glBindImageTexture(0, texture, 0, GL_FALSE, 0, GL_READ_ONLY, GL_RGBA32F);
     glGenerateMipmap(GL_TEXTURE_2D);
 
+    free(data);
+
     return texture;
 }