diff --git a/src/lib-managesieve/Makefile.am b/src/lib-managesieve/Makefile.am
index 65fda67669a90d55641f06dd80abdb554dfe1a1b..b03668083b16055f1eca7e7313f0df69fe5b792f 100644
--- a/src/lib-managesieve/Makefile.am
+++ b/src/lib-managesieve/Makefile.am
@@ -1,10 +1,10 @@
-noinst_LIBRARIES = libmanagesieve.a
+noinst_LTLIBRARIES = libmanagesieve.la
 
 AM_CPPFLAGS = \
 	$(LIBDOVECOT_INCLUDE) \
 	-I$(top_srcdir)
 
-libmanagesieve_a_SOURCES = \
+libmanagesieve_la_SOURCES = \
 	managesieve-arg.c \
 	managesieve-quote.c \
 	managesieve-parser.c
diff --git a/src/managesieve-login/Makefile.am b/src/managesieve-login/Makefile.am
index b0ef65d58a4cb6e11abae250be889eee6b2faf8e..7f7c38bc88e11f96a1eb3bf73efefb1126fbf74c 100644
--- a/src/managesieve-login/Makefile.am
+++ b/src/managesieve-login/Makefile.am
@@ -22,7 +22,7 @@ libmanagesieve_login_settings_la_CFLAGS = \
 	$(AM_CFLAGS) $(LIBDOVECOT_CONFIG_INCLUDE) -DPKG_LIBEXECDIR=\""$(dovecot_pkglibexecdir)"\"
 
 libs = \
-	$(top_builddir)/src/lib-managesieve/libmanagesieve.a
+	$(top_builddir)/src/lib-managesieve/libmanagesieve.la
 
 managesieve_login_LDADD = $(libs) $(LIBDOVECOT_LOGIN) $(LIBDOVECOT)
 managesieve_login_DEPENDENCIES = $(libs) $(LIBDOVECOT_LOGIN_DEPS) $(LIBDOVECOT_DEPS)
diff --git a/src/managesieve/Makefile.am b/src/managesieve/Makefile.am
index e160088f0a0c7a1af6a4d1308c0cf3dfe834c324..8a87b03a5b252c7d4cd08d7252b2069b77ef5941 100644
--- a/src/managesieve/Makefile.am
+++ b/src/managesieve/Makefile.am
@@ -22,7 +22,7 @@ managesieve_LDFLAGS = -export-dynamic
 
 libs = \
 	managesieve-settings.lo \
-	$(top_builddir)/src/lib-managesieve/libmanagesieve.a \
+	$(top_builddir)/src/lib-managesieve/libmanagesieve.la \
 	$(top_builddir)/src/lib-sieve/libdovecot-sieve.la
 
 managesieve_LDADD = $(libs) $(LIBDOVECOT_STORAGE) $(LIBDOVECOT_LDA) $(LIBDOVECOT)