diff --git a/extra/pango/cairo/cairo.factor b/extra/pango/cairo/cairo.factor
index 4aa31774fa..f6c1ee498d 100644
--- a/extra/pango/cairo/cairo.factor
+++ b/extra/pango/cairo/cairo.factor
@@ -9,8 +9,8 @@ arrays pango pango.fonts ;
 IN: pango.cairo
 
 << "pangocairo" {
-!    { [ os winnt? ] [ "libpangocairo-1.dll" ] }
-!    { [ os macosx? ] [ "libpangocairo.dylib" ] }
+    { [ os winnt? ] [ "libpangocairo-1.0-0.dll" ] }
+    { [ os macosx? ] [ "libpangocairo-1.0.0.dylib" ] }
     { [ os unix? ] [ "libpangocairo-1.0.so" ] }
 } cond "cdecl" add-library >>
 
diff --git a/extra/pango/ft2/ft2.factor b/extra/pango/ft2/ft2.factor
index fb09eb2508..5ce59c7095 100644
--- a/extra/pango/ft2/ft2.factor
+++ b/extra/pango/ft2/ft2.factor
@@ -8,8 +8,8 @@ pango.layouts ;
 IN: pango.ft2
 
 << "pangoft2" {
-!    { [ os winnt? ] [ "libpangocairo-1.dll" ] }
-!    { [ os macosx? ] [ "libpangocairo.dylib" ] }
+    { [ os winnt? ] [ "libpangocairo-1.0-0.dll" ] }
+    { [ os macosx? ] [ "libpangocairo-1.0.0.dylib" ] }
     { [ os unix? ] [ "libpangoft2-1.0.so" ] }
 } cond "cdecl" add-library >>
 
diff --git a/extra/pango/pango.factor b/extra/pango/pango.factor
index f6ed508108..be5c257cb0 100644
--- a/extra/pango/pango.factor
+++ b/extra/pango/pango.factor
@@ -9,8 +9,8 @@ IN: pango
 ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
 << "pango" {
-!    { [ os winnt? ] [ "libpango-1.dll" ] }
-!    { [ os macosx? ] [ "libpango.dylib" ] }
+    { [ os winnt? ] [ "libpango-1.0-0.dll" ] }
+    { [ os macosx? ] [ "libpango-1.0.0.dylib" ] }
     { [ os unix? ] [ "libpango-1.0.so" ] }
 } cond "cdecl" add-library >>