diff --git a/wxGTK.spec b/wxGTK.spec
index ae9e8aa636..565bfb1ce0 100644
--- a/wxGTK.spec
+++ b/wxGTK.spec
@@ -184,6 +184,7 @@ wx/dynlib.h
 wx/dynload.h
 wx/encconv.h
 wx/event.h
+wx/except.h
 wx/features.h
 wx/ffile.h
 wx/file.h
diff --git a/wxMotif.spec b/wxMotif.spec
index d59dfe97a7..589d2f8207 100644
--- a/wxMotif.spec
+++ b/wxMotif.spec
@@ -118,6 +118,7 @@ wx/dynlib.h
 wx/dynload.h
 wx/encconv.h
 wx/event.h
+wx/except.h
 wx/features.h
 wx/ffile.h
 wx/file.h
diff --git a/wxX11.spec b/wxX11.spec
index eead0659d9..2aab04ada1 100644
--- a/wxX11.spec
+++ b/wxX11.spec
@@ -165,6 +165,7 @@ wx/dynlib.h
 wx/dynload.h
 wx/encconv.h
 wx/event.h
+wx/except.h
 wx/features.h
 wx/ffile.h
 wx/file.h