diff --git a/legacy/ethumb/src/plugins/emotion/Makefile.am b/legacy/ethumb/src/plugins/emotion/Makefile.am
index 0c4565f0ee..68bf77b56f 100644
--- a/legacy/ethumb/src/plugins/emotion/Makefile.am
+++ b/legacy/ethumb/src/plugins/emotion/Makefile.am
@@ -36,7 +36,7 @@ $(top_builddir)/src/lib/libethumb.la \
 @ECORE_FILE_LIBS@ \
 @EVAS_LIBS@ \
 @EINA_LIBS@
-emotion_la_LDFLAGS = -module -avoid-version
+emotion_la_LDFLAGS = -no-undefined -module -avoid-version
 emotion_la_LIBTOOLFLAGS = --tag=disable-static
 
 
diff --git a/legacy/ethumb/src/plugins/epdf/Makefile.am b/legacy/ethumb/src/plugins/epdf/Makefile.am
index 497c198870..646a5989c1 100644
--- a/legacy/ethumb/src/plugins/epdf/Makefile.am
+++ b/legacy/ethumb/src/plugins/epdf/Makefile.am
@@ -17,5 +17,5 @@ $(top_builddir)/src/lib/libethumb.la \
 @EPDF_LIBS@ \
 @EVAS_LIBS@ \
 @EINA_LIBS@
-epdf_la_LDFLAGS = -module -avoid-version
+epdf_la_LDFLAGS = -no-undefined -module -avoid-version
 epdf_la_LIBTOOLFLAGS = --tag=disable-static