diff --git a/src/config/shlib-build.in b/src/config/shlib-build.in
index 6e466999d8..ff8dc54774 100644
--- a/src/config/shlib-build.in
+++ b/src/config/shlib-build.in
@@ -13,6 +13,8 @@
 # expect a -- option indicating the end of our arguments and the rest of the
 # arguments are passed along verbatim to the linker.
 
+set -e
+
 linker="@SHLIB_LINKER@"
 suffix="@SHLIB_SUFFIX@"
 sysname="@AFS_SYSNAME@"
diff --git a/src/config/shlib-install.in b/src/config/shlib-install.in
index 33955d72c6..71cc295671 100644
--- a/src/config/shlib-install.in
+++ b/src/config/shlib-install.in
@@ -9,6 +9,8 @@
 # We take the following regular arguments: -d <destination>, -l <library>, -M
 # <major>, -m <minor>.
 
+set -e
+
 INSTALL="@INSTALL@"
 install="@INSTALL_DATA@"
 suffix="@SHLIB_SUFFIX@"