diff --git a/build/jam/BeOSRules b/build/jam/BeOSRules
index 1f5c1ceaa9..9b16c083c9 100644
--- a/build/jam/BeOSRules
+++ b/build/jam/BeOSRules
@@ -221,7 +221,7 @@ rule ResComp
 actions ResComp1
 {
 	$(HOST_ADD_BUILD_COMPATIBILITY_LIB_DIR)
-	cat $(2[2-]) | $(CC) -E $(CCDEFS) $(HDRS) - | egrep -v '^#' | $(2[1]) $(RCHDRS) --auto-names -o $(1) -
+	cat "$(2[2-])" | $(CC) -E $(CCDEFS) $(HDRS) - | egrep -v '^#' | $(2[1]) $(RCHDRS) --auto-names -o "$(1)" -
 }
 
 rule ResAttr attributeFile : _resourceFiles
@@ -257,5 +257,5 @@ actions ResAttr1
 {
 	$(HOST_ADD_BUILD_COMPATIBILITY_LIB_DIR)
 	rm -f $(1)
-	$(2[1]) -o $(1) $(2[2-])
+	$(2[1]) -o "$(1)" "$(2[2-])"
 }