diff --git a/xpcom/base/Makefile.in b/xpcom/base/Makefile.in
index 87f0517a0d4d..e554fdfe9d5b 100644
--- a/xpcom/base/Makefile.in
+++ b/xpcom/base/Makefile.in
@@ -51,6 +51,7 @@ CPPSRCS		= \
 ifdef GC_LEAK_DETECTOR
 CSRCS += nsGarbageCollector.c
 CPPSRCS += nsLeakDetector.cpp
+REQUIRES	+= boehm
 endif
 
 EXPORTS		= \