diff --git a/3rdp/build/GNUmakefile b/3rdp/build/GNUmakefile
index 165d0a08ed5557aef10cf8a0f99158f1e91104a6..a7cc6e00d920b63be8914b1b0f43183e18e2ee1f 100644
--- a/3rdp/build/GNUmakefile
+++ b/3rdp/build/GNUmakefile
@@ -4,7 +4,7 @@ SRC_ROOT = ../../src
 # Cross platform/compiler definitions
 include $(SRC_ROOT)/build/Common.gmake	# defines clean and output directory rules
 
-JS_CONFIGURE_ARGS += --with-system-nspr --disable-tests --disable-shared-js --enable-threadsafe --prefix=$(shell echo `pwd`$(DIRSEP)$(JS_IDIR))
+JS_CONFIGURE_ARGS += --with-system-nspr --disable-tests --disable-shared-js --disable-valgrind --enable-threadsafe --prefix=$(shell echo `pwd`$(DIRSEP)$(JS_IDIR))
 ifdef DEBUG
  JS_CONFIGURE_ARGS += --enable-debug-symbols --disable-optimize --enable-valgrind
 else