diff --git a/Makefile b/Makefile
index ef83a07..0142a42 100644
--- a/Makefile
+++ b/Makefile
@@ -11,10 +11,10 @@ equi1:	equi.h equi_miner.h equi_miner.cpp Makefile
 	$(GPP) -DUNROLL equi_miner.cpp blake/blake2b.cpp -o equi1
 
 eqavx2:	equi.h equi_miner.h equi_miner.cpp blake2-avx2/blake2bip.c Makefile
-	$(GPP) -DUSE_AVX2 -DATOMIC -DUNROLL equi_miner.cpp blake/blake2b.cpp blake2-avx2/blake2bip.c -o eqavx2
+	$(GPP) -mavx2 -DUSE_AVX2 -DATOMIC -DUNROLL equi_miner.cpp blake/blake2b.cpp blake2-avx2/blake2bip.c -o eqavx2
 
 eqavx21:	equi.h equi_miner.h equi_miner.cpp blake2-avx2/blake2bip.c Makefile
-	$(GPP) -DUSE_AVX2 -DUNROLL equi_miner.cpp blake/blake2b.cpp blake2-avx2/blake2bip.c -o eqavx21
+	$(GPP) -mavx2 -DUSE_AVX2 -DUNROLL equi_miner.cpp blake/blake2b.cpp blake2-avx2/blake2bip.c -o eqavx21
 
 equi1g:	equi.h equi_miner.h equi_miner.cpp Makefile
 	g++ -g -std=c++11 -DLOGSPARK -DSPARKSCALE=11 equi_miner.cpp blake/blake2b.cpp -pthread -o equi1g
@@ -26,16 +26,16 @@ eq14451:	equi.h equi_miner.h equi_miner.cpp Makefile
 	$(GPP) -DRESTBITS=4 -DWN=144 -DWK=5 equi_miner.cpp blake/blake2b.cpp -o eq14451
 
 eq1445avx2:	equi.h equi_miner.h equi_miner.cpp blake2-avx2/blake2bip.c Makefile
-	$(GPP) -DATOMIC -DUSE_AVX2 -DRESTBITS=4 -DWN=144 -DWK=5 equi_miner.cpp blake/blake2b.cpp blake2-avx2/blake2bip.c -o eq1445avx2
+	$(GPP) -DATOMIC -mavx2 -DUSE_AVX2 -DRESTBITS=4 -DWN=144 -DWK=5 equi_miner.cpp blake/blake2b.cpp blake2-avx2/blake2bip.c -o eq1445avx2
 
 eq1445avx21:	equi.h equi_miner.h equi_miner.cpp blake2-avx2/blake2bip.c Makefile
-	$(GPP) -DUSE_AVX2 -DRESTBITS=4 -DWN=144 -DWK=5 equi_miner.cpp blake/blake2b.cpp blake2-avx2/blake2bip.c -o eq1445avx21
+	$(GPP) -mavx2 -DUSE_AVX2 -DRESTBITS=4 -DWN=144 -DWK=5 equi_miner.cpp blake/blake2b.cpp blake2-avx2/blake2bip.c -o eq1445avx21
 
 dev:	equi.h dev_miner.h dev_miner.cpp blake2-asm/asm/zcblake2_avx2.o Makefile
-	$(GPP) -DATOMIC dev_miner.cpp blake/blake2b.cpp blake2-asm/asm/zcblake2_avx2.o -o dev
+	$(GPP) -mavx2 -DATOMIC dev_miner.cpp blake/blake2b.cpp blake2-asm/asm/zcblake2_avx2.o -o dev
 
 dev1:	equi.h dev_miner.h dev_miner.cpp blake2-asm/asm/zcblake2_avx2.o Makefile
-	$(GPP) dev_miner.cpp blake/blake2b.cpp blake2-asm/asm/zcblake2_avx2.o -o dev1
+	$(GPP) -mavx2 dev_miner.cpp blake/blake2b.cpp blake2-asm/asm/zcblake2_avx2.o -o dev1
 
 hash1:	equi.h dev_miner.h dev_miner.cpp blake2-asm/asm/zcblake2_avx2.o Makefile
 	$(GPP) -DHASHONLY dev_miner.cpp blake/blake2b.cpp blake2-asm/asm/zcblake2_avx2.o -o hash1