diff --git a/dlls/ddeml.dll16/ddeml.dll16.spec b/dlls/ddeml.dll16/ddeml.dll16.spec
index 3f03b7c13bf..73fd4612341 100644
--- a/dlls/ddeml.dll16/ddeml.dll16.spec
+++ b/dlls/ddeml.dll16/ddeml.dll16.spec
@@ -1,6 +1,6 @@
 2 pascal -ret16 DdeInitialize(ptr segptr long long) DdeInitialize16
 3 pascal -ret16 DdeUninitialize(long) DdeUninitialize16
-4 pascal DdeConnectList(long word word word ptr) DdeConnectList16
+4 pascal DdeConnectList(long long long word ptr) DdeConnectList16
 5 pascal DdeQueryNextServer(long long) DdeQueryNextServer16
 6 pascal -ret16 DdeDisconnectList(long) DdeDisconnectList16
 7 pascal DdeConnect(long long long ptr) DdeConnect16
@@ -9,8 +9,8 @@
 10 pascal -ret16 DdeSetUserHandle(long long long) DdeSetUserHandle16
 11 pascal DdeClientTransaction(ptr long long long s_word s_word long ptr) DdeClientTransaction16
 12 pascal -ret16 DdeAbandonTransaction(long long long) DdeAbandonTransaction16
-13 pascal -ret16 DdePostAdvise(long word word) DdePostAdvise16
-14 pascal DdeCreateDataHandle(long ptr long long word word word) DdeCreateDataHandle16
+13 pascal -ret16 DdePostAdvise(long long long) DdePostAdvise16
+14 pascal DdeCreateDataHandle(long ptr long long long word word) DdeCreateDataHandle16
 15 pascal DdeAddData(word ptr long long) DdeAddData16
 16 pascal DdeGetData(word ptr long long) DdeGetData16
 17 pascal DdeAccessData(word ptr) DdeAccessData16
@@ -19,11 +19,11 @@
 20 pascal -ret16 DdeGetLastError(long) DdeGetLastError16
 21 pascal DdeCreateStringHandle(long str s_word) DdeCreateStringHandle16
 22 pascal -ret16 DdeFreeStringHandle(long long) DdeFreeStringHandle16
-23 pascal DdeQueryString (long word ptr long word) DdeQueryString16
+23 pascal DdeQueryString (long long ptr long word) DdeQueryString16
 24 pascal -ret16 DdeKeepStringHandle(long long) DdeKeepStringHandle16
 
 26 pascal -ret16 DdeEnableCallback(long long word) DdeEnableCallback16
 27 pascal DdeNameService(long long long s_word) DdeNameService16
 
-36 pascal -ret16 DdeCmpStringHandles(word word) DdeCmpStringHandles16
+36 pascal -ret16 DdeCmpStringHandles(long long) DdeCmpStringHandles16
 37 pascal DdeReconnect(long) DdeReconnect