diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index 5c1ae2d..3012d4d 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -597,15 +597,19 @@
 fi
 
 if uname -a | grep -F x86_64 >/dev/null; then
-    msg "build: i386, make, gcc" # ~ 30s
+    msg "build: i386, make, gcc (ASan build)" # ~ 30s
     cleanup
-    make CC=gcc CFLAGS='-Werror -m32'
+    cp "$CONFIG_H" "$CONFIG_BAK"
+    scripts/config.pl full
+    make CC=gcc CFLAGS='-Werror -Wall -Wextra -m32 -fsanitize=address'
 
-    msg "test: i386, make, gcc"
+    msg "test: i386, make, gcc (ASan build)"
     make test
 
     msg "build: 64-bit ILP32, make, gcc" # ~ 30s
     cleanup
+    cp "$CONFIG_H" "$CONFIG_BAK"
+    scripts/config.pl full
     make CC=gcc CFLAGS='-Werror -Wall -Wextra -mx32'
 
     msg "test: 64-bit ILP32, make, gcc"