diff --git a/debian/rules b/debian/rules
index c8ccdc71..46c495c7 100755
--- a/debian/rules
+++ b/debian/rules
@@ -561,6 +561,7 @@ override_dh_auto_configure: preconfigure
 
 	echo "Running tests: $(RUN_TEST)"
 	echo "Using cmake: $(CMAKE_BIN)"; \
+	SCCACHE_LOG=sccache=debug SCCACHE_ERROR_LOG=/opt/sccache/sccache.log \
 	LD_LIBRARY_PATH=$$LD_LIBRARY_PATH \
 	$(PRE_PROCESS_CONF) $(CMAKE_BIN) -S llvm/ -B $(TARGET_BUILD) \
 	-G $(GENERATOR) \