diff --git a/meta-oe/recipes-connectivity/wvdial/wvdial_1.61.bb b/meta-oe/recipes-connectivity/wvdial/wvdial_1.61.bb
index 165872e2b1..5d07ec8c3b 100644
--- a/meta-oe/recipes-connectivity/wvdial/wvdial_1.61.bb
+++ b/meta-oe/recipes-connectivity/wvdial/wvdial_1.61.bb
@@ -6,6 +6,9 @@ LIC_FILES_CHKSUM = "file://COPYING.LIB;md5=55ca817ccb7d5b5b66355690e9abc605"
 
 inherit pkgconfig
 
+# wvstreams headers rely on C++ that clang rejects
+TOOLCHAIN = "gcc"
+
 DEPENDS = "wvstreams"
 RDEPENDS:${PN} = "ppp"
 
diff --git a/meta-oe/recipes-connectivity/wvdial/wvstreams_4.6.1.bb b/meta-oe/recipes-connectivity/wvdial/wvstreams_4.6.1.bb
index 27e6e33224..a4c81142af 100644
--- a/meta-oe/recipes-connectivity/wvdial/wvstreams_4.6.1.bb
+++ b/meta-oe/recipes-connectivity/wvdial/wvstreams_4.6.1.bb
@@ -36,6 +36,9 @@ COMPATIBLE_HOST:libc-musl = "null"
 
 inherit autotools-brokensep pkgconfig
 
+# Relies on C++ that clang rejects
+TOOLCHAIN = "gcc"
+
 TARGET_CFLAGS:append = " -fno-tree-dce -fno-optimize-sibling-calls"
 
 LDFLAGS:append = " -Wl,-rpath-link,${CROSS_DIR}/${TARGET_SYS}/lib"