diff --git a/Makefile.am b/Makefile.am
index ca6041c..a42167b 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -40,7 +40,7 @@
   # Versioned symbols and restricted exports
 
 if HAVE_SOLARIS_LD
-  libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,-M Wl,libpng.vers
+  libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,-M -Wl,libpng.vers
 else
   libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,--version-script=libpng.vers
 endif