diff --git a/src/ioc/db/dbUnitTest.c b/src/ioc/db/dbUnitTest.c
index 9e3f7d6d0..249fb6032 100644
--- a/src/ioc/db/dbUnitTest.c
+++ b/src/ioc/db/dbUnitTest.c
@@ -111,7 +111,7 @@ long testdbVPutField(const char* pv, short dbrType, va_list ap)
     return dbPutField(&addr, dbrType, pod.bytes, 1);
 }
 
-void testdbPutFieldOk(const char* pv, short dbrType, ...)
+void testdbPutFieldOk(const char* pv, int dbrType, ...)
 {
     long ret;
     va_list ap;
@@ -123,7 +123,7 @@ void testdbPutFieldOk(const char* pv, short dbrType, ...)
     testOk(ret==0, "dbPutField(%s, %d, ...) == %ld", pv, dbrType, ret);
 }
 
-void testdbPutFieldFail(long status, const char* pv, short dbrType, ...)
+void testdbPutFieldFail(long status, const char* pv, int dbrType, ...)
 {
     long ret;
     va_list ap;
@@ -138,7 +138,7 @@ void testdbPutFieldFail(long status, const char* pv, short dbrType, ...)
         testFail("dbPutField(\"%s\", %d, ...) != %ld (%ld)", pv, dbrType, status, ret);
 }
 
-void testdbGetFieldEqual(const char* pv, short dbrType, ...)
+void testdbGetFieldEqual(const char* pv, int dbrType, ...)
 {
     va_list ap;
 
diff --git a/src/ioc/db/dbUnitTest.h b/src/ioc/db/dbUnitTest.h
index 0c78500d5..e1d04e1df 100644
--- a/src/ioc/db/dbUnitTest.h
+++ b/src/ioc/db/dbUnitTest.h
@@ -46,13 +46,13 @@ epicsShareFunc void testdbCleanup(void);
  * testdbPutFieldOk("pvname", DBF_FLOAT, (double)4.1);
  * testdbPutFieldOk("pvname", DBF_STRING, "hello world");
  */
-epicsShareFunc void testdbPutFieldOk(const char* pv, short dbrType, ...);
+epicsShareFunc void testdbPutFieldOk(const char* pv, int dbrType, ...);
 /* Tests for put failure */
-epicsShareFunc void testdbPutFieldFail(long status, const char* pv, short dbrType, ...);
+epicsShareFunc void testdbPutFieldFail(long status, const char* pv, int dbrType, ...);
 
 epicsShareFunc long testdbVPutField(const char* pv, short dbrType, va_list ap);
 
-epicsShareFunc void testdbGetFieldEqual(const char* pv, short dbrType, ...);
+epicsShareFunc void testdbGetFieldEqual(const char* pv, int dbrType, ...);
 epicsShareFunc void testdbVGetFieldEqual(const char* pv, short dbrType, va_list ap);
 
 /**