diff --git a/src/panfrost/lib/decode_common.c b/src/panfrost/lib/decode_common.c
index 14cb2f0..53f2a50 100644
--- a/src/panfrost/lib/decode_common.c
+++ b/src/panfrost/lib/decode_common.c
@@ -104,7 +104,7 @@
         /* Otherwise, add a fresh mapping */
         struct pandecode_mapped_memory *mapped_mem = NULL;
 
-        mapped_mem = malloc(sizeof(*mapped_mem));
+        mapped_mem = calloc(1, sizeof(*mapped_mem));
         mapped_mem->gpu_va = gpu_va;
         mapped_mem->length = sz;
         mapped_mem->addr = cpu;