diff --git a/package/cups-filters/Config.in b/package/cups-filters/Config.in
index 5badf0e1f1..9e4e37ca6b 100644
--- a/package/cups-filters/Config.in
+++ b/package/cups-filters/Config.in
@@ -4,7 +4,7 @@ config BR2_PACKAGE_CUPS_FILTERS
 	depends on BR2_USE_MMU
 	depends on BR2_INSTALL_LIBSTDCPP # qpdf
 	depends on !BR2_STATIC_LIBS
-	depends on BR2_USE_WCHAR # libglib2
+	depends on BR2_USE_WCHAR # libglib2, qpdf
 	depends on BR2_TOOLCHAIN_HAS_THREADS # libglib2
 	depends on BR2_PACKAGE_CUPS
 	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_8 # C++11
diff --git a/package/qpdf/Config.in b/package/qpdf/Config.in
index 7550e1547a..6f586f651a 100644
--- a/package/qpdf/Config.in
+++ b/package/qpdf/Config.in
@@ -1,6 +1,7 @@
 config BR2_PACKAGE_QPDF
 	bool "qpdf"
 	depends on BR2_INSTALL_LIBSTDCPP
+	depends on BR2_USE_WCHAR
 	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 # C++11
 	select BR2_PACKAGE_ZLIB
 	select BR2_PACKAGE_JPEG