diff --git a/qt/icons/Makefile.am b/qt/icons/Makefile.am
--- a/qt/icons/Makefile.am
+++ b/qt/icons/Makefile.am
@@ -24,3 +24,6 @@
 	     hint.svg \
 	     password-generate.svg \
              visibility.svg
+
+icons_DATA = document-encrypt.png
+iconsdir = $(datadir)/pixmaps
diff --git a/qt5/icons/Makefile.am b/qt5/icons/Makefile.am
--- a/qt5/icons/Makefile.am
+++ b/qt5/icons/Makefile.am
@@ -24,3 +24,6 @@
 	     hint.svg \
 	     password-generate.svg \
              visibility.svg
+
+icons_DATA = document-encrypt.png
+iconsdir = $(datadir)/pixmaps