diff --git a/src/dmabuftexture.h b/src/dmabuftexture.h
index ee7195ef0a..17ad26c951 100644
--- a/src/dmabuftexture.h
+++ b/src/dmabuftexture.h
@@ -16,15 +16,15 @@ class GLTexture;
 
 struct DmaBufAttributes
 {
-    int planeCount;
-    int width;
-    int height;
-    int format;
-    uint64_t modifier;
+    int planeCount = 0;
+    int width = 0;
+    int height = 0;
+    uint32_t format = 0;
+    uint64_t modifier = 0;
 
-    int fd[4];
-    int offset[4];
-    int pitch[4];
+    int fd[4] = {-1, -1, -1, -1};
+    int offset[4] = {0, 0, 0, 0};
+    int pitch[4] = {0, 0, 0, 0};
 };
 
 class KWIN_EXPORT DmaBufTexture