diff --git a/widget/gtk/mozgtk/gtk2/Makefile.in b/widget/gtk/mozgtk/gtk2/Makefile.in
index 68c2aab1cb8..9ccbd52d847 100644
--- a/widget/gtk/mozgtk/gtk2/Makefile.in
+++ b/widget/gtk/mozgtk/gtk2/Makefile.in
@@ -16,4 +16,4 @@ else
 no_as_needed = -Wl,--no-as-needed $1 -Wl,--as-needed
 endif
 
-EXTRA_DSO_LDOPTS += $(call no_as_needed,-lgtk-x11-2.0 -lgdk-x11-2.0)
+EXTRA_DSO_LDOPTS += $(filter -L%,$(MOZ_GTK2_LIBS)) $(call no_as_needed,-lgtk-x11-2.0 -lgdk-x11-2.0)
diff --git a/widget/gtk/mozgtk/gtk3/Makefile.in b/widget/gtk/mozgtk/gtk3/Makefile.in
index fb9a9c379b4..77eab2d0665 100644
--- a/widget/gtk/mozgtk/gtk3/Makefile.in
+++ b/widget/gtk/mozgtk/gtk3/Makefile.in
@@ -14,4 +14,4 @@ else
 no_as_needed = -Wl,--no-as-needed $1 -Wl,--as-needed
 endif
 
-EXTRA_DSO_LDOPTS += $(call no_as_needed,-lgtk-3 -lgdk-3)
+EXTRA_DSO_LDOPTS += $(filter -L%,$(MOZ_GTK3_LIBS)) $(call no_as_needed,-lgtk-3 -lgdk-3)