diff --git a/gmenu2x/Makefile b/gmenu2x/Makefile
index 6f8d171..d97a8ca 100644
--- a/gmenu2x/Makefile
+++ b/gmenu2x/Makefile
@@ -20,6 +20,8 @@ PKG_SOURCE_VERSION:=$(PKG_REV)
 
 PKG_INSTALL:=1
 
+PKG_BUILD_DEPENDS:=sparsehash
+
 include $(INCLUDE_DIR)/package.mk
 
 TARGET_CFLAGS+= \