diff --git a/sci-mathematics/mccs/files/mccs-1.1-respect-AR.patch b/sci-mathematics/mccs/files/mccs-1.1-respect-AR.patch
new file mode 100644
index 0000000000..5bd7f124c0
--- /dev/null
+++ b/sci-mathematics/mccs/files/mccs-1.1-respect-AR.patch
@@ -0,0 +1,11 @@
+--- a/makefile
++++ b/makefile
+@@ -160,7 +160,7 @@
+ #----------------------------------------------------------------------------------
+ 
+ libccudf.a: $(OBJDIR)/cudf.tab.o $(OBJDIR)/cudf.l.o $(OBJDIR)/cudf_hash_table.o $(OBJDIR)/cudf_tools.o
+-	ar rcs libccudf.a $(OBJDIR)/cudf.tab.o $(OBJDIR)/cudf.l.o $(OBJDIR)/cudf_hash_table.o $(OBJDIR)/cudf_tools.o
++	$(AR) rcs libccudf.a $(OBJDIR)/cudf.tab.o $(OBJDIR)/cudf.l.o $(OBJDIR)/cudf_hash_table.o $(OBJDIR)/cudf_tools.o
+ 
+ libccudf.so: $(OBJDIR)/cudf.tab.o $(OBJDIR)/cudf.l.o $(OBJDIR)/cudf_hash_table.o $(OBJDIR)/cudf_tools.o
+ 	$(CCC) -shared -Wl,-soname,libccudf.so -o libccudf.so \
diff --git a/sci-mathematics/mccs/mccs-1.1.ebuild b/sci-mathematics/mccs/mccs-1.1.ebuild
index bc93d919a7..ee3a56aaac 100644
--- a/sci-mathematics/mccs/mccs-1.1.ebuild
+++ b/sci-mathematics/mccs/mccs-1.1.ebuild
@@ -39,6 +39,7 @@ src_prepare() {
 	eapply "${FILESDIR}/${P}-respect-flags.patch"
 	eapply "${FILESDIR}/${P}-glpk.patch"
 	eapply "${FILESDIR}/${P}-fix-Wl.patch"
+	eapply "${FILESDIR}/${P}-respect-AR.patch"
 	eapply_user
 
 	if use glpk; then
@@ -55,7 +56,7 @@ src_prepare() {
 }
 
 src_compile() {
-	tc-export CXX
+	tc-export AR CXX
 	append-cxxflags "-std=c++14"
 	MAKEOPTS="-j1" emake libccudf.so
 	MAKEOPTS="-j1" emake mccs