diff --git a/nvm.sh b/nvm.sh
index 1fbefb5..aa5bae8 100755
--- a/nvm.sh
+++ b/nvm.sh
@@ -3439,7 +3439,7 @@ nvm() {
             shift # consume "-s"
             nobinary=1
             if [ $nosource -eq 1 ]; then
-                nvm err '-s and -b cannot be set together since they would skip install from both binary and source'
+                nvm_err '-s and -b cannot be set together since they would skip install from both binary and source'
                 return 6
             fi
           ;;
@@ -3447,7 +3447,7 @@ nvm() {
             shift # consume "-b"
             nosource=1
             if [ $nobinary -eq 1 ]; then
-                nvm err '-s and -b cannot be set together since they would skip install from both binary and source'
+                nvm_err '-s and -b cannot be set together since they would skip install from both binary and source'
                 return 6
             fi
           ;;
diff --git a/test/fast/Unit tests/nvm install -s and -b conflict b/test/fast/Unit tests/nvm install -s and -b conflict
new file mode 100755
index 0000000..787bbca
--- /dev/null
+++ b/test/fast/Unit tests/nvm install -s and -b conflict	
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+die () { echo "$@" ; exit 1; }
+
+: nvm.sh
+\. ../../../nvm.sh
+
+\. ../../common.sh
+
+EXPECTED_ERR='-s and -b cannot be set together since they would skip install from both binary and source'
+
+try_err nvm install -s -b 0.10.0
+[ "${CAPTURED_EXIT_CODE}" = "6" ] || die "Expected exit code 6 for -s -b, got ${CAPTURED_EXIT_CODE}"
+[ "${CAPTURED_STDERR}" = "${EXPECTED_ERR}" ] || die "Expected >${EXPECTED_ERR}<, got >${CAPTURED_STDERR}<"
+
+try_err nvm install -b -s 0.10.0
+[ "${CAPTURED_EXIT_CODE}" = "6" ] || die "Expected exit code 6 for -b -s, got ${CAPTURED_EXIT_CODE}"
+[ "${CAPTURED_STDERR}" = "${EXPECTED_ERR}" ] || die "Expected >${EXPECTED_ERR}<, got >${CAPTURED_STDERR}<"