diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index bdabe4715e..9874ff4ed0 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -968,7 +968,7 @@ unit:gcc:jammy:amd64:
 gcc:asan:
   variables:
     CC: gcc
-    CFLAGS: "${CFLAGS_COMMON} -fsanitize=address,undefined -Wno-error=stringop-overread"
+    CFLAGS: "${CFLAGS_COMMON} -fsanitize=address,undefined"
     LDFLAGS: "-fsanitize=address,undefined"
     EXTRA_CONFIGURE: "--with-libidn2 --without-jemalloc"
   <<: *fedora_35_amd64_image
diff --git a/configure.ac b/configure.ac
index 786f228c42..903287748b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -119,6 +119,16 @@ STD_CFLAGS="-Wall -Wextra -Wwrite-strings -Wpointer-arith -Wno-missing-field-ini
 # These should be always errors
 STD_CFLAGS="$STD_CFLAGS -Werror=implicit-function-declaration -Werror=missing-prototypes -Werror=format-security -Werror=parentheses -Werror=implicit -Werror=strict-prototypes -Werror=vla"
 
+# Disable false positives generated by GCC 11+ and ASAN
+AC_COMPILE_IFELSE(
+  [AC_LANG_PROGRAM([[]],
+		   [[#if __GNUC__ >= 11 && defined(__SANITIZE_ADDRESS__)
+		     #error Address Sanitizer enabled
+		     #endif
+		    ]])],
+  [],
+  [STD_CFLAGS="$STD_CFLAGS -Wno-stringop-overread"])
+
 STD_LDFLAGS=""
 
 # ... except in test code