diff --git a/prism/ext/lpsolve55/Makefile b/prism/ext/lpsolve55/Makefile
index ba8ac777..be07eae0 100644
--- a/prism/ext/lpsolve55/Makefile
+++ b/prism/ext/lpsolve55/Makefile
@@ -8,6 +8,12 @@
 ifeq ($(OSTYPE),linux)
 	  LPSOLVE55_BUILD=ccc
 endif
+ifeq ($(OSTYPE),solaris)
+	  LPSOLVE55_BUILD=ccc.solaris
+endif
+ifeq ($(OSTYPE),cygwin)
+	  LPSOLVE55_BUILD=ccc.cygwin
+endif
 ifeq ($(OSTYPE),darwin)
 	ifeq ($(ARCH),x86_64)
 	  LPSOLVE55_BUILD=ccc.osx64
@@ -15,12 +21,6 @@ ifeq ($(OSTYPE),darwin)
 	  LPSOLVE55_BUILD=ccc.osx32
 	endif
 endif
-ifeq ($(OSTYPE),cygwin)
-	  LPSOLVE55_BUILD=ccc.cygwin
-endif
-ifeq ($(OSTYPE),solaris)
-	  LPSOLVE55_BUILD=ccc.solaris
-endif
 
 default: all