diff --git a/src/lib/ecore_x/meson.build b/src/lib/ecore_x/meson.build
index 957b11c44e..ba7d01f961 100644
--- a/src/lib/ecore_x/meson.build
+++ b/src/lib/ecore_x/meson.build
@@ -71,7 +71,7 @@ endif
 
 x11 = dependency('x11', required: false)
 if x11.found() == false
-  x11 = cc.find_library('x11', required: true)
+  x11 = cc.find_library('X11', required: true)
 endif
 
 xcb = dependency('xcb', required: false)
@@ -81,7 +81,7 @@ endif
 
 x11_xcb = dependency('x11-xcb', required: false)
 if x11_xcb.found() == false
-  x11_xcb = cc.find_library('x11-xcb', required: true)
+  x11_xcb = cc.find_library('X11-xcb', required: true)
 endif
 
 foreach ecore_x_check : ecore_x_checks