diff --git a/docker-compose.yml b/docker-compose.yml
index 1bc06d7..9e81007 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -25,6 +25,11 @@ services:
       - miopen_cache:/app/miopen_cache
     environment:
       - HF_HUB_ENABLE_HF_TRANSFER=1
+      # Disable MIOpen's GEMM convolution solver. PyTorch passes a null workspace
+      # pointer (ptr=0, size=0) which causes GemmFwdRest to warn and fall back on
+      # every conv op. Disabling it makes MIOpen go straight to Direct/Winograd
+      # solvers that don't require workspace allocation.
+      - MIOPEN_DEBUG_CONV_GEMM=0
       # Persist MIOpen's kernel cache so it doesn't recompile on every start.
       - MIOPEN_USER_DB_PATH=/app/miopen_cache
       - MIOPEN_CUSTOM_CACHE_DIR=/app/miopen_cache