diff --git a/Sources/Backends/Software/SoftImage.h b/Sources/Backends/Software/SoftImage.h
index a4aa281..6e97329 100644
--- a/Sources/Backends/Software/SoftImage.h
+++ b/Sources/Backends/Software/SoftImage.h
@@ -13,6 +13,7 @@
 
 typedef struct SoftImage
 {
+	int dummy;
 } SoftImage;
 
 PulseImage SoftCreateImage(PulseDevice device, const PulseImageCreateInfo* create_infos);