diff --git a/package/pdmenu/pdmenu.mk b/package/pdmenu/pdmenu.mk
index 2691a67ef6..72eb95bddc 100644
--- a/package/pdmenu/pdmenu.mk
+++ b/package/pdmenu/pdmenu.mk
@@ -11,4 +11,11 @@ PDMENU_LICENSE_FILES = doc/COPYING
 PDMENU_DEPENDENCIES = slang $(TARGET_NLS_DEPENDENCIES)
 PDMENU_INSTALL_TARGET_OPTS = INSTALL_PREFIX=$(TARGET_DIR) install
 
+# gcc-15 defaults to -std=gnu23 which introduces build failures.
+# We force "-std=gnu17" for gcc version supporting it. Earlier gcc
+# versions will work, since they are using the older standard.
+ifeq ($(BR2_TOOLCHAIN_GCC_AT_LEAST_8),y)
+PDMENU_CONF_ENV += CFLAGS="$(TARGET_CFLAGS) -std=gnu17"
+endif
+
 $(eval $(autotools-package))