diff --git a/srcpkgs/gmime/files/musl-iconv-detect.h b/srcpkgs/gmime/files/musl-iconv-detect.h
new file mode 100644
index 00000000000..9f431bf9ff0
--- /dev/null
+++ b/srcpkgs/gmime/files/musl-iconv-detect.h
@@ -0,0 +1,5 @@
+/* This is an auto-generated header, DO NOT EDIT! */
+
+#define ICONV_ISO_INT_FORMAT "iso-%u-%u"
+#define ICONV_ISO_STR_FORMAT "iso-%u-%s"
+#define ICONV_10646 "UCS-4BE"
diff --git a/srcpkgs/gmime/template b/srcpkgs/gmime/template
index 92f73d150b7..697cbd0ab67 100644
--- a/srcpkgs/gmime/template
+++ b/srcpkgs/gmime/template
@@ -1,7 +1,7 @@
 # Template file for 'gmime'
 pkgname=gmime
 version=2.6.23
-revision=3
+revision=4
 build_style=gnu-configure
 build_helper="gir"
 configure_args="--disable-static --disable-mono --enable-smime
@@ -27,8 +27,12 @@ if [ "$CROSS_BUILD" ]; then
 fi
 
 pre_build() {
-	if [ "$CROSS_BUILD" ]; then
-		cp ${FILESDIR}/*.h ${wrksrc}
+	if [ -z "$CROSS_BUILD" ]; then
+		:
+	elif [ "$XBPS_TARGET_LIBC" = musl ]; then
+		cp ${FILESDIR}/musl-iconv-detect.h ${wrksrc}/iconv-detect.h
+	else
+		cp ${FILESDIR}/iconv-detect.h ${wrksrc}
 	fi
 }