diff --git a/Makefile b/Makefile
index 90124567f4..03af4cac46 100644
--- a/Makefile
+++ b/Makefile
@@ -673,6 +673,9 @@ else ifeq ($(OSX_BUILD),1)
 else ifeq ($(HOST_OS),Haiku)
   LDFLAGS := $(BACKEND_LDFLAGS) -no-pie
 
+else ifeq (,$(findstring powerpc,$(machine)))
+  LDFLAGS := $(BITS) -mcpu=$(TARGET_ARCH) -lm $(BACKEND_LDFLAGS) -lpthread -ldl
+
 else
   LDFLAGS := $(BITS) -march=$(TARGET_ARCH) -lm $(BACKEND_LDFLAGS) -lpthread -ldl
   ifeq ($(NO_PIE), 1)
diff --git a/src/goddard/gd_types.h b/src/goddard/gd_types.h
index 0857cc0691..6091c4c141 100644
--- a/src/goddard/gd_types.h
+++ b/src/goddard/gd_types.h
@@ -27,7 +27,11 @@ struct GdColour {
 union DynUnion {
     void *ptr;
     char *str;
+#if IS_BIG_ENDIAN && IS_64_BIT
+    s64 word;
+#else
     s32 word;
+#endif
 };
 
 struct DynList {