diff --git a/src/Makevars b/src/Makevars
index 713b44c..704ac17 100644
--- a/src/Makevars
+++ b/src/Makevars
@@ -1,5 +1,5 @@
 RHDF5_LIBS = $(shell "$(R_HOME)/bin${R_ARCH_BIN}/Rscript" -e 'Rhdf5lib::pkgconfig("PKG_C_LIBS")')
-PKG_LIBS = $(RHDF5_LIBS)
+PKG_LIBS = $(RHDF5_LIBS) -lhdf5
 
 #PKG_CFLAGS = -Wall