diff --git a/src/lib_json/CMakeLists.txt b/src/lib_json/CMakeLists.txt
index e395c64..3bf5e1a 100644
--- a/src/lib_json/CMakeLists.txt
+++ b/src/lib_json/CMakeLists.txt
@@ -10,7 +10,6 @@ ELSE(JSONCPP_LIB_BUILD_SHARED)
   SET(JSONCPP_LIB_TYPE STATIC)
 ENDIF(JSONCPP_LIB_BUILD_SHARED)
 
-
 if( CMAKE_COMPILER_IS_GNUCXX )
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror=strict-aliasing")
 endif( CMAKE_COMPILER_IS_GNUCXX )
diff --git a/src/lib_json/json_writer.cpp b/src/lib_json/json_writer.cpp
index 89964ea..280f09e 100644
--- a/src/lib_json/json_writer.cpp
+++ b/src/lib_json/json_writer.cpp
@@ -26,6 +26,11 @@
 #pragma warning(disable : 4996)
 #endif
 
+#if defined(__sun) && defined(__SVR4) //Solaris
+#include <ieeefp.h>
+#define isfinite finite
+#endif
+
 namespace Json {
 
 static bool containsControlCharacter(const char* str) {