diff --git a/ide/Makefile b/ide/Makefile
index e5e1c44511..c36b34adee 100644
--- a/ide/Makefile
+++ b/ide/Makefile
@@ -3315,7 +3315,7 @@ endif
 revisioninc:
 ifneq ($(USESVN2REVISIONINC),0)
 ifeq ($(wildcard ../tools/svn2revisioninc$(SRCEXEEXT)),)
-	$(MAKE) -C ../tools svn2revisioninc$(SRCEXEEXT) OS_TARGET=$(OS_SOURCE) OPT=''
+        $(MAKE) -C ../tools svn2revisioninc$(SRCEXEEXT) OS_TARGET=$(OS_SOURCE) CPU_TARGET=$(CPU_SOURCE) OPT=''
 endif
 	../tools/svn2revisioninc$(SRCEXEEXT) .. revision.inc
 endif
diff --git a/ide/Makefile.fpc b/ide/Makefile.fpc
index 5cbecca2bb..8ff7d133ad 100644
--- a/ide/Makefile.fpc
+++ b/ide/Makefile.fpc
@@ -139,7 +139,7 @@ endif
 revisioninc:
 ifneq ($(USESVN2REVISIONINC),0)
 ifeq ($(wildcard ../tools/svn2revisioninc$(SRCEXEEXT)),)
-        $(MAKE) -C ../tools svn2revisioninc$(SRCEXEEXT) OS_TARGET=$(OS_SOURCE) OPT=''
+        $(MAKE) -C ../tools svn2revisioninc$(SRCEXEEXT) OS_TARGET=$(OS_SOURCE) CPU_TARGET=$(CPU_SOURCE) OPT=''
 endif
 	../tools/svn2revisioninc$(SRCEXEEXT) .. revision.inc
 endif