diff --git a/Makefile.in b/Makefile.in
index 456c7a8d..1daec846 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -180,6 +180,7 @@ SANITY_FLAGS   := -fwrapv -fno-strict-aliasing
 DEBUG_FLAGS    := -gdwarf-2 -gstrict-dwarf
 COMMON_FLAGS    = $(DEBUG_FLAGS) $(OPTIMIZE_FLAGS) $(SANITY_FLAGS) -ffile-prefix-map=$(CCACHE_BASEDIR)=.
 COMMON_FLAGS32 := -mstackrealign
+COMMON_FLAGS64 := -mcmodel=small
 CARGO_BUILD_ARG := --release
 
 ##
diff --git a/configure.sh b/configure.sh
index 34e5bb0f..6510f25b 100755
--- a/configure.sh
+++ b/configure.sh
@@ -182,7 +182,7 @@ function configure() {
 #
 
 arg_steamrt="soldier"
-arg_protonsdk_image="registry.gitlab.steamos.cloud/proton/soldier/sdk:0.20220601.0-1"
+arg_protonsdk_image="registry.gitlab.steamos.cloud/proton/soldier/sdk:0.20220601.0-4"
 arg_no_protonsdk=""
 arg_build_name=""
 arg_container_engine=""