diff --git a/IlmBase/config/Makefile.am b/IlmBase/config/Makefile.am
index c0bd649312..d0af1c59b5 100644
--- a/IlmBase/config/Makefile.am
+++ b/IlmBase/config/Makefile.am
@@ -2,6 +2,6 @@
 
 configincludedir = $(includedir)/OpenEXR
 
-configinclude_HEADERS = IlmBaseConfig.h
+nodist_configinclude_HEADERS = IlmBaseConfig.h
 
 EXTRA_DIST = IlmBaseConfig.h.in
diff --git a/OpenEXR/config/Makefile.am b/OpenEXR/config/Makefile.am
index 1407a07f59..90ec7f4478 100644
--- a/OpenEXR/config/Makefile.am
+++ b/OpenEXR/config/Makefile.am
@@ -2,6 +2,6 @@
 
 configincludedir = $(includedir)/OpenEXR
 
-configinclude_HEADERS = OpenEXRConfig.h
+nodist_configinclude_HEADERS = OpenEXRConfig.h
 
 EXTRA_DIST = OpenEXRConfig.h.in
diff --git a/OpenEXR_Viewers/config/Makefile.am b/OpenEXR_Viewers/config/Makefile.am
index 609fb10390..15b9551d38 100644
--- a/OpenEXR_Viewers/config/Makefile.am
+++ b/OpenEXR_Viewers/config/Makefile.am
@@ -2,6 +2,6 @@
 
 configincludedir = $(includedir)/OpenEXR
 
-configinclude_HEADERS = OpenEXR_ViewersConfig.h
+nodist_configinclude_HEADERS = OpenEXR_ViewersConfig.h
 
 EXTRA_DIST = OpenEXR_ViewersConfig.h.in
diff --git a/PyIlmBase/config/Makefile.am b/PyIlmBase/config/Makefile.am
index f8deb155c7..6da4cf8fc7 100644
--- a/PyIlmBase/config/Makefile.am
+++ b/PyIlmBase/config/Makefile.am
@@ -2,6 +2,6 @@
 
 configincludedir = $(includedir)/OpenEXR
 
-configinclude_HEADERS = PyIlmBaseConfig.h
+nodist_configinclude_HEADERS = PyIlmBaseConfig.h
 
 EXTRA_DIST = PyIlmBaseConfig.h.in