diff --git a/compiler/Makefile b/compiler/Makefile
index 9c9a7213eb..c53f78ef00 100644
--- a/compiler/Makefile
+++ b/compiler/Makefile
@@ -353,12 +353,13 @@ ifeq ($(REVSTR),)
 ifneq ($(SVNVERSION),)
 REVSTR:=$(shell $(SVNVERSION) -c .)
 export REVSTR
-override LOCALOPT+=-dREVINC
 endif
 endif
 REVINC:=$(wildcard revision.inc)
 ifneq ($(REVINC),)
-ifeq ($(REVSTR),)
+override LOCALOPT+=-dREVINC
+else
+ifneq ($(REVSTR),)
 override LOCALOPT+=-dREVINC
 endif
 endif
diff --git a/compiler/Makefile.fpc b/compiler/Makefile.fpc
index 783dfad162..31f15fa9c5 100644
--- a/compiler/Makefile.fpc
+++ b/compiler/Makefile.fpc
@@ -158,13 +158,14 @@ ifeq ($(REVSTR),)
 ifneq ($(SVNVERSION),)
 REVSTR:=$(shell $(SVNVERSION) -c .)
 export REVSTR
-override LOCALOPT+=-dREVINC
 endif
 endif
 
 REVINC:=$(wildcard revision.inc)
 ifneq ($(REVINC),)
-ifeq ($(REVSTR),)
+override LOCALOPT+=-dREVINC
+else
+ifneq ($(REVSTR),)
 override LOCALOPT+=-dREVINC
 endif
 endif