diff --git a/src/gui/rhi/qrhi_p_p.h b/src/gui/rhi/qrhi_p_p.h
index cf725632f4..1706ab131c 100644
--- a/src/gui/rhi/qrhi_p_p.h
+++ b/src/gui/rhi/qrhi_p_p.h
@@ -292,7 +292,7 @@ public:
 
         static BufferOp dynamicUpdate(QRhiBuffer *buf, int offset, int size, const void *data)
         {
-            BufferOp op;
+            BufferOp op = {};
             op.type = DynamicUpdate;
             op.buf = buf;
             op.offset = offset;
@@ -302,7 +302,7 @@ public:
 
         static BufferOp staticUpload(QRhiBuffer *buf, int offset, int size, const void *data)
         {
-            BufferOp op;
+            BufferOp op = {};
             op.type = StaticUpload;
             op.buf = buf;
             op.offset = offset;
@@ -312,7 +312,7 @@ public:
 
         static BufferOp read(QRhiBuffer *buf, int offset, int size, QRhiBufferReadbackResult *result)
         {
-            BufferOp op;
+            BufferOp op = {};
             op.type = Read;
             op.buf = buf;
             op.offset = offset;
@@ -344,7 +344,7 @@ public:
 
         static TextureOp upload(QRhiTexture *tex, const QRhiTextureUploadDescription &desc)
         {
-            TextureOp op;
+            TextureOp op = {};
             op.type = Upload;
             op.dst = tex;
             for (auto it = desc.cbeginEntries(), itEnd = desc.cendEntries(); it != itEnd; ++it)
@@ -354,7 +354,7 @@ public:
 
         static TextureOp copy(QRhiTexture *dst, QRhiTexture *src, const QRhiTextureCopyDescription &desc)
         {
-            TextureOp op;
+            TextureOp op = {};
             op.type = Copy;
             op.dst = dst;
             op.src = src;
@@ -364,7 +364,7 @@ public:
 
         static TextureOp read(const QRhiReadbackDescription &rb, QRhiReadbackResult *result)
         {
-            TextureOp op;
+            TextureOp op = {};
             op.type = Read;
             op.rb = rb;
             op.result = result;
@@ -373,7 +373,7 @@ public:
 
         static TextureOp genMips(QRhiTexture *tex, int layer)
         {
-            TextureOp op;
+            TextureOp op = {};
             op.type = GenMips;
             op.dst = tex;
             op.layer = layer;