diff --git a/examples/Makefile.in b/examples/Makefile.in
index 5b4e216cef1fabb7c8620ab9e5d4517debfc0f80..eb03193e843ac56035e8ca1672bb8b1b593b1681 100644
--- a/examples/Makefile.in
+++ b/examples/Makefile.in
@@ -13,8 +13,8 @@ PRE_LDFLAGS = -L..
 OPENSSL_LIBFLAGS = @OPENSSL_LIBFLAGS@
 RSA_TARGETS = rsa-keygen$(EXEEXT) rsa-sign$(EXEEXT) \
 	      rsa-verify$(EXEEXT) rsa-encrypt$(EXEEXT) rsa-decrypt$(EXEEXT)
-TARGETS = nettle-benchmark$(EXEEXT) @IF_HOGWEED@ $(RSA_TARGETS)
-SOURCES = nettle-benchmark.c nettle-openssl.c \
+TARGETS = nettle-benchmark$(EXEEXT) eratosthenes$(EXEEXT) @IF_HOGWEED@ $(RSA_TARGETS) next-prime$(EXEEXT)
+SOURCES = nettle-benchmark.c eratosthenes.c nettle-openssl.c \
 	io.c read_rsa_key.c getopt.c getopt1.c \
 	rsa-encrypt.c rsa-decrypt.c rsa-keygen.c rsa-sign.c rsa-verify.c
 
@@ -31,6 +31,10 @@ all: $(TARGETS)
 	$(COMPILE) -c $< && $(DEP_PROCESS)
 
 # For Solaris and BSD make, we have to use an explicit rule for each executable
+next-prime$(EXEEXT): next-prime.$(OBJEXT) $(GETOPT_OBJS) ../libhogweed.a
+	$(LINK) next-prime.$(OBJEXT) $(GETOPT_OBJS) \
+	-lhogweed $(LIBS) -o next-prime$(EXEEXT)
+
 rsa-keygen$(EXEEXT): rsa-keygen.$(OBJEXT) $(GETOPT_OBJS)
 	$(LINK) rsa-keygen.$(OBJEXT) io.$(OBJEXT) $(GETOPT_OBJS) \
 	-lhogweed -lnettle $(LIBS) -o rsa-keygen$(EXEEXT)
@@ -52,9 +56,12 @@ rsa-decrypt$(EXEEXT): rsa-decrypt.$(OBJEXT) read_rsa_key.$(OBJEXT)
 	$(LINK) rsa-decrypt.$(OBJEXT) io.$(OBJEXT) read_rsa_key.$(OBJEXT) \
 	-lhogweed -lnettle $(LIBS) -o rsa-decrypt$(EXEEXT)
 
+eratosthenes$(EXEEXT): eratosthenes.$(OBJEXT) $(GETOPT_OBJS)
+	$(LINK) eratosthenes.$(OBJEXT) $(GETOPT_OBJS) -o eratosthenes$(EXEEXT)
+
 nettle-benchmark$(EXEEXT): nettle-benchmark.$(OBJEXT) nettle-openssl.$(OBJEXT) $(GETOPT_OBJS)
 	$(LINK) nettle-benchmark.$(OBJEXT) nettle-openssl.$(OBJEXT) io.$(OBJEXT) $(GETOPT_OBJS) \
-	-lnettle $(LIBS) $(OPENSSL_LIBFLAGS) -o $@
+	-lnettle $(LIBS) $(OPENSSL_LIBFLAGS) -o nettle-benchmark$(EXEEXT)
 
 $(TARGETS) : io.$(OBJEXT) ../libnettle.a