diff --git a/ext/interbase/interbase.dsp b/ext/interbase/interbase.dsp
index 8f69ce5b88b..c41f457048b 100644
--- a/ext/interbase/interbase.dsp
+++ b/ext/interbase/interbase.dsp
@@ -112,7 +112,17 @@ SOURCE=.\php_interbase.h
 
 SOURCE=.\interbase.rc
 
-# ADD RSC /i "..\.." /i "..\..\main" /i "..\..\win32" /i "..\..\Zend" /i "..\..\TSRM" /d "ZEND_WIN32" /d "WIN32" /d "PHP_WIN32"
+!IF  "$(CFG)" == "interbase - Win32 Debug_TS"
+
+# ADD BASE RSC /l 0x413
+# ADD RSC /l 0x413 /i "..\..\main" /i "..\..\win32"
+
+!ELSEIF  "$(CFG)" == "interbase - Win32 Release_TS"
+
+# ADD BASE RSC /l 0x413
+# ADD RSC /l 0x413 /i "..\.." /i "..\..\main" /i "..\..\win32" /i "..\..\Zend" /i "..\..\TSRM" /d "ZEND_WIN32" /d "WIN32" /d "PHP_WIN32"
+
+!ENDIF 
 
 # End Source File
 # End Group
diff --git a/ext/interbase/interbase.rc b/ext/interbase/interbase.rc
index 566f4588abd..03f18388e4a 100644
--- a/ext/interbase/interbase.rc
+++ b/ext/interbase/interbase.rc
@@ -37,6 +37,7 @@
 #endif
 
 #define VERSION_INFO_ONLY
+#define PHP_H
 #include "interbase.c"
 
 #ifndef _MAC