diff --git a/src/amd/vulkan/radv_wsi_display.c b/src/amd/vulkan/radv_wsi_display.c
index 1f73209..868298d 100644
--- a/src/amd/vulkan/radv_wsi_display.c
+++ b/src/amd/vulkan/radv_wsi_display.c
@@ -288,7 +288,7 @@
 
 	RADV_FROM_HANDLE(radv_fence, fence, *_fence);
 
-	assert(fence->permanent.kind = RADV_FENCE_SYNCOBJ);
+	assert(fence->permanent.kind == RADV_FENCE_SYNCOBJ);
 
 	if (device->ws->export_syncobj(device->ws, fence->permanent.syncobj, &fd)) {
 		ret = VK_ERROR_OUT_OF_HOST_MEMORY;
@@ -331,7 +331,7 @@
 
 	RADV_FROM_HANDLE(radv_fence, fence, *_fence);
 
-	assert(fence->permanent.kind = RADV_FENCE_SYNCOBJ);
+	assert(fence->permanent.kind == RADV_FENCE_SYNCOBJ);
 
 	if (device->ws->export_syncobj(device->ws, fence->permanent.syncobj, &fd)) {
 		ret = VK_ERROR_OUT_OF_HOST_MEMORY;