diff --git a/gtkd-fix-secondary-arches.patch b/gtkd-fix-secondary-arches.patch
new file mode 100644
index 0000000..f3ef851
--- /dev/null
+++ b/gtkd-fix-secondary-arches.patch
@@ -0,0 +1,41 @@
+--- GtkD-3.3.1/GNUmakefile.orig	2016-11-30 12:09:00.314067964 +0100
++++ GtkD-3.3.1/GNUmakefile	2016-11-30 12:13:10.087744201 +0100
+@@ -4,7 +4,6 @@
+ datadir=$(prefix)/share
+ 
+ OS=$(shell uname || uname -s)
+-ARCH=$(shell uname -m || arch)
+ 
+ ifndef DC
+     ifneq ($(strip $(shell which dmd 2>/dev/null)),)
+@@ -49,22 +48,6 @@
+     LDFLAGS+=$(LINKERFLAG)-ldl
+ endif
+ 
+-ifndef MODEL
+-    ifeq ("$(ARCH)", "x86_64")
+-        MODEL=64
+-    else
+-        MODEL=32
+-    endif
+-endif
+-
+-ifeq ($(MODEL), 64) 
+-   DCFLAGS+=-m64
+-   LDFLAGS+=-m64
+-else
+-   DCFLAGS+=-m32
+-   LDFLAGS+=-m32
+-endif
+-
+ AR=ar
+ RANLIB=ranlib
+ 
+@@ -197,7 +180,6 @@
+ # Create a versioned symlink so the demo is able to load it.
+ 
+ $(BINNAME_DEMO): IMPORTS=-Isrc -Idemos/gtkD/TestWindow
+-$(BINNAME_DEMO): DCFLAGS=-m$(MODEL)
+ $(BINNAME_DEMO): $(OBJECTS_DEMO)
+ 	$(if $(wildcard $(SONAME_GTKD)),,$(if $(wildcard $(LIBNAME_GTKD)),,$(MAKE) $(LIBNAME_GTKD)))
+ 	$(if $(wildcard $(SONAME_GTKD)),$(eval LDFLAGS+= $(LINKERFLAG)-rpath=./))
diff --git a/gtkd.spec b/gtkd.spec
index 2df3ebd..6eff203 100644
--- a/gtkd.spec
+++ b/gtkd.spec
@@ -12,6 +12,8 @@ Summary:        D binding and OO wrapper of GTK+
 License:        LGPLv3+ with exceptions
 URL:            https://github.com/gtkd-developers/GtkD/
 Source0:        https://github.com/gtkd-developers/GtkD/archive/v%{version}/%{name}-%{version}.tar.gz
+# Fix the build on secondary arches
+Patch0:         gtkd-fix-secondary-arches.patch
 
 ExclusiveArch:  %{ldc_arches}
 
@@ -59,6 +61,7 @@ Active l'autocompletion pour pour la bibliothèque gtkd dans geany (IDE)
 
 %prep
 %setup -q -n GtkD-%{version}
+%patch0 -p1
 
 # temp geany config directory for allow geany to generate tags
 mkdir geany_config