diff --git a/ANNOUNCE b/ANNOUNCE
index 183c8e7c5..a826177ec 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -87,6 +87,8 @@ Version 1.7.0alpha03 [December 18, 2012]
     png_fixed and the gamma code specific version of the same to avoid floor(),
     which may be a library function (not an intrinsic). Removed unused #if 0
     code.
+  Disassembled the version number in scripts/options.awk (necessary for
+    building on SunOs)
 
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diff --git a/CHANGES b/CHANGES
index 8ec03dfe3..409d657a5 100644
--- a/CHANGES
+++ b/CHANGES
@@ -4372,6 +4372,8 @@ Version 1.7.0alpha03 [December 18, 2012]
     png_fixed and the gamma code specific version of the same to avoid floor(),
     which may be a library function (not an intrinsic). Removed unused #if 0
     code.
+  Disassembled the version number in scripts/options.awk (necessary for
+    building on SunOs)
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
diff --git a/scripts/options.awk b/scripts/options.awk
index f5d7729f7..cb8cd1845 100755
--- a/scripts/options.awk
+++ b/scripts/options.awk
@@ -102,6 +102,7 @@ pre && version == "search" && version_file != FILENAME{
 
 pre && version == "search" && $0 ~ /^ \* libpng version/{
    version = substr($0, 4)
+   gsub(/\./, " PNG_JOIN . PNG_JOIN", version)
    print "version =", version >out
    next
 }