diff --git a/src/cc/makecustom b/src/cc/makecustom
index 154be4f31..7f1c789c9 100755
--- a/src/cc/makecustom
+++ b/src/cc/makecustom
@@ -1,6 +1,7 @@
 #!/bin/sh
-gcc -O3 -DBUILD_CUSTOMCC -std=c++11 -I../secp256k1/include -I../univalue/include -I../cryptoconditions/include -I../cryptoconditions/src -I../cryptoconditions/src/asn -I.. -I. -fPIC -shared -c -o customcc.so cclib.cpp
-cp customcc.so ../libcc.so
-cd ..
-make
-cd cc
+if make -f Makefile_custom "$@"; then
+  echo CUSTOMCC BUILD SUCCESSFUL
+else
+  echo CUSTOMCC BUILD FAILED
+  exit 1
+fi
diff --git a/zcutil/build-mac.sh b/zcutil/build-mac.sh
index 57ee78e1d..3c0522a90 100755
--- a/zcutil/build-mac.sh
+++ b/zcutil/build-mac.sh
@@ -47,7 +47,7 @@ make "$@" -C ./depends/ V=1 NO_QT=1 NO_PROTON=1
 WD=$PWD
 cd src/cc
 echo $PWD
-./Makefile_custom
+./makecustom
 cd $WD
 
 ./autogen.sh
diff --git a/zcutil/build-win.sh b/zcutil/build-win.sh
index 8cf1751af..e8c0465d9 100755
--- a/zcutil/build-win.sh
+++ b/zcutil/build-win.sh
@@ -14,7 +14,7 @@ cd ../
 WD=$PWD
 cd src/cc
 echo $PWD
-./makerogue
+./makecustom
 cd $WD
 
 ./autogen.sh
diff --git a/zcutil/build.sh b/zcutil/build.sh
index df3dfa234..96e0b7c2c 100755
--- a/zcutil/build.sh
+++ b/zcutil/build.sh
@@ -106,7 +106,7 @@ CONFIG_SITE="$PWD/depends/$HOST/share/config.site" ./configure "$HARDENING_ARG"
 WD=$PWD
 cd src/cc
 echo $PWD
-./makerogue
+./makecustom
 cd $WD
 
 "$MAKE" "$@" V=1