diff --git a/install/build.sh b/install/build.sh
index 60785c4..3f6b8e0 100755
--- a/install/build.sh
+++ b/install/build.sh
@@ -23,7 +23,7 @@ case $1 in
 				mv -v $SRC_DIR/glacier $PREFIX
 				printf "directory $PREFIX/bin does not exist, moving to $PREFIX instead\n"
 			fi
-		CC $SRC_DIR/int-check/main.c -o glacier-integrity-check
+		$CC $SRC_DIR/int-check/main.c -o glacier-integrity-check
 		mv -v $SRC_DIR/int-check/glacier-integrity-check $PREFIX/bin
 			if [ "$?" != 0 ]; then
 				mv -v $SRC_DIR/int-check/glacier-integrity-check $PREFIX
@@ -64,8 +64,9 @@ case $1 in
 		printf "updating executable\n"
 		rm -v $PREFIX/bin/glacier || rm -v $PREFIX/glacier
 		rm -v $PREFIX/bin/glacier-integrity-check || rm -v $PREFIX/glacier-integrity-check
-		mv -v $SRC_DIR/glacier $PREFIX || mv -v $SRC_DIR/glacier $PREFIX/bin
-		mv -v $SRC_DIR/glacier-integrity-check $PREFIX || mv -v $SRC_DIR/glacier-integrity-check $PREFIX/bin
+		mv -v $SRC_DIR/glacier $PREFIX/bin || mv -v $SRC_DIR/glacier $PREFIX
+		$CC $SRC_DIR/int-check/main.c -o glacier-integrity-check
+		mv -v $SRC_DIR/int-check/glacier-integrity-check $PREFIX/bin || mv -v $SRC_DIR/int-check/glacier-integrity-check $PREFIX
 		printf "finished updating\n"
 		exit 0
 esac