diff --git a/dlls/dbghelp/source.c b/dlls/dbghelp/source.c
index b606ae1..805815a 100644
--- a/dlls/dbghelp/source.c
+++ b/dlls/dbghelp/source.c
@@ -98,7 +98,7 @@
  *
  */
 BOOL WINAPI SymEnumSourceFiles(HANDLE hProcess, ULONG64 ModBase, LPSTR Mask,
-                               PSYM_ENUMSOURCFILES_CALLBACK cbSrcFiles,
+                               PSYM_ENUMSOURCEFILES_CALLBACK cbSrcFiles,
                                PVOID UserContext)
 {
     struct process*     pcs;
diff --git a/include/dbghelp.h b/include/dbghelp.h
index d6c9f44..f19dbc6 100644
--- a/include/dbghelp.h
+++ b/include/dbghelp.h
@@ -742,9 +742,9 @@
 /*************************
  *      Source Files     *
  *************************/
-typedef BOOL (CALLBACK *PSYM_ENUMSOURCFILES_CALLBACK)(PSOURCEFILE, PVOID);
+typedef BOOL (CALLBACK *PSYM_ENUMSOURCEFILES_CALLBACK)(PSOURCEFILE, PVOID);
 
-BOOL WINAPI SymEnumSourceFiles(HANDLE, ULONG64, LPSTR, PSYM_ENUMSOURCFILES_CALLBACK,
+BOOL WINAPI SymEnumSourceFiles(HANDLE, ULONG64, LPSTR, PSYM_ENUMSOURCEFILES_CALLBACK,
                                PVOID);
 BOOL WINAPI SymGetLineFromAddr(HANDLE, DWORD, PDWORD, PIMAGEHLP_LINE);
 BOOL WINAPI SymGetLinePrev(HANDLE, PIMAGEHLP_LINE);
diff --git a/include/imagehlp.h b/include/imagehlp.h
index 00fff57..1e3c3ad 100644
--- a/include/imagehlp.h
+++ b/include/imagehlp.h
@@ -366,7 +366,7 @@
   PSYMBOL_INFO pSymInfo, DWORD SymbolSize, PVOID UserContext
 );
 
-typedef BOOL (CALLBACK *PSYM_ENUMSOURCFILES_CALLBACK)(
+typedef BOOL (CALLBACK *PSYM_ENUMSOURCEFILES_CALLBACK)(
   PSOURCEFILE pSourceFile, PVOID UserContext
 );
 
@@ -554,7 +554,7 @@
 );
 BOOL WINAPI SymEnumSourceFiles(
   HANDLE hProcess, DWORD ModBase, LPSTR Mask,
-  PSYM_ENUMSOURCFILES_CALLBACK cbSrcFiles, PVOID UserContext
+  PSYM_ENUMSOURCEFILES_CALLBACK cbSrcFiles, PVOID UserContext
 );
 BOOL WINAPI SymEnumSymbols(
   HANDLE hProcess, DWORD BaseOfDll, PCSTR Mask, 
diff --git a/tools/winapi/win32.api b/tools/winapi/win32.api
index b27a149..2b8763d 100644
--- a/tools/winapi/win32.api
+++ b/tools/winapi/win32.api
@@ -762,7 +762,7 @@
 PREAD_PROCESS_MEMORY_ROUTINE
 PSYM_ENUMERATESYMBOLS_CALLBACK
 PSYM_ENUMMODULES_CALLBACK
-PSYM_ENUMSOURCFILES_CALLBACK
+PSYM_ENUMSOURCEFILES_CALLBACK
 PSYM_ENUMSYMBOLS_CALLBACK
 PSYMBOL_REGISTERED_CALLBACK
 PSYMBOL_INFO