diff --git a/Changes b/Changes
index 805c621e8..51db9e87f 100644
--- a/Changes
+++ b/Changes
@@ -11,6 +11,8 @@ indicates the contributor was also the author of the fix; Thanks!
 
 ****  Fix truncation warning with -pins-bv, bug912. [Alfonso Martinez]
 
+****  Fix Cygwin uint32 compile, bug914. [Matthew Barr]
+
 
 * Verilator 3.872 2015-04-05
 
diff --git a/include/verilatedos.h b/include/verilatedos.h
index f60797250..e0c55b78b 100644
--- a/include/verilatedos.h
+++ b/include/verilatedos.h
@@ -139,7 +139,7 @@ typedef unsigned char           uint8_t;	///< 8-bit unsigned type (backward comp
 typedef unsigned short int      uint16_t;	///< 16-bit unsigned type (backward compatibility)
 typedef unsigned char           vluint8_t;	///< 8-bit unsigned type
 typedef unsigned short int      vluint16_t;	///< 16-bit unsigned type
-# ifdef __uint32_t_defined      		// Newer Cygwin uint32_t in stdint.h as an unsigned int
+# if defined(__uint32_t_defined) || defined(___int32_t_defined)    // Newer Cygwin uint32_t in stdint.h as an unsigned int
 typedef int32_t			vlsint32_t;	///< 32-bit signed type
 typedef uint32_t		vluint32_t;	///< 32-bit unsigned type
 # else				 		// Older Cygwin has long==uint32_t